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Vigilant – 100% Free Security Suite: Firewall, 2FA, Login, Headers, Scanner… / 3.0.4
Vigilant – 100% Free Security Suite: Firewall, 2FA, Login, Headers, Scanner… v3.0.4
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← All changes | includes/class-user-security.php +683 -126 2.10.4 → 3.0.4 View file →
@@ -42,20 +42,57 @@
42 42
43 43 /**
44 44 * Constructor
45 45 *
46 - * @param Vigilante_Settings $settings Settings instance.
47 - * @param Vigilante_Activity_Log $activity_log Activity log instance.
46 + * @param Vigilante_Settings $settings Settings instance.
47 + * @param Vigilante_Activity_Log $activity_log Activity log instance.
48 + * @param bool $enforcement_only Register only what enforces
49 + * state already written to an
50 + * account. See
51 + * init_enforcement_hooks().
48 52 */
49 - public function __construct( $settings, $activity_log ) {
53 + public function __construct( $settings, $activity_log, $enforcement_only = false ) {
50 54 $this->settings = $settings;
51 55 $this->activity_log = $activity_log;
52 56 $this->options = $settings->get_section( 'user_security' );
53 57
58 + if ( $enforcement_only ) {
59 + $this->init_enforcement_hooks();
60 + return;
61 + }
62 +
54 63 $this->init_hooks();
55 64 }
56 65
57 66 /**
67 + * The hooks that enforce state already written to an account
68 + *
69 + * A forced password reset and a registration waiting for approval are not
70 + * settings, they are marks on somebody's account, and the action that wrote
71 + * them already happened: sessions destroyed, emails sent, the activity log
72 + * saying those accounts cannot get in until they reset or are approved.
73 + *
74 + * Until 2.11.10 both were registered inside the module gate, so turning User
75 + * Security off let every one of those accounts back in with their old
76 + * password, silently and with the flags still in place saying the opposite.
77 + * The forced reset is deliberately not destructive on the password (see
78 + * force_password_reset(), which avoids wp_set_password() so the reset link
79 + * keeps working), so this filter was the only thing holding the door.
80 + * Found by the file-by-file review of 2.11.10.
81 + *
82 + * These two are therefore registered whether the module is on or off. Both
83 + * return immediately when the account carries no mark, so the cost on a site
84 + * that never used either feature is one meta read at login.
85 + *
86 + * @since 2.11.10
87 + */
88 + private function init_enforcement_hooks() {
89 + add_filter( 'authenticate', array( $this, 'check_force_reset_on_login' ), 30, 3 );
90 + add_action( 'after_password_reset', array( $this, 'clear_force_reset_meta' ), 10, 1 );
91 + add_filter( 'wp_authenticate_user', array( $this, 'block_pending_user_login' ), 15, 2 );
92 + }
93 +
94 + /**
58 95 * Initialize hooks
59 96 */
60 97 private function init_hooks() {
61 98 // Block insecure usernames
@@ -104,9 +141,10 @@
104 141 // Registration approval
105 142 $registration_approval = $this->options['registration_approval'] ?? array();
106 143 if ( ! empty( $registration_approval['enabled'] ) ) {
107 144 add_action( 'user_register', array( $this, 'set_user_pending_approval' ), 5 );
108 - add_filter( 'wp_authenticate_user', array( $this, 'block_pending_user_login' ), 15, 2 );
145 + // The blocking half is registered by init_enforcement_hooks(), so an
146 + // account already waiting keeps waiting if the feature is turned off.
109 147 add_action( 'admin_notices', array( $this, 'show_pending_users_notice' ) );
110 148 }
111 149
112 150 // Session limits
@@ -131,8 +169,16 @@
131 169 if ( ! empty( $password_expiration['enabled'] ) ) {
132 170 add_action( 'wp_login', array( $this, 'check_password_expiration' ), 10, 2 );
133 171 add_action( 'admin_notices', array( $this, 'show_password_expiration_notice' ) );
134 172 add_action( 'admin_init', array( $this, 'force_password_change_redirect' ) );
173 + // Enforcement beyond wp-admin: REST and the front end, so an expired
174 + // password cannot keep operating outside the redirect (2.11.9).
175 + add_filter( 'rest_authentication_errors', array( $this, 'block_expired_password_rest' ), 20 );
176 + add_action( 'template_redirect', array( $this, 'force_password_change_frontend' ) );
177 + // The profile is the only screen where the change can be made, and
178 + // WooCommerce keeps accounts with no back-end role out of wp-admin.
179 + add_filter( 'woocommerce_prevent_admin_access', array( $this, 'allow_profile_for_password_change' ) );
180 + add_filter( 'authenticate', array( $this, 'block_expired_password_xmlrpc' ), 30, 1 );
135 181 add_action( 'profile_update', array( $this, 'update_password_change_date' ), 10, 2 );
136 182 add_action( 'user_register', array( $this, 'set_initial_password_date' ) );
137 183 add_action( 'user_profile_update_errors', array( $this, 'check_password_history' ), 10, 3 );
138 184
@@ -160,11 +206,11 @@
160 206 add_filter( 'registration_redirect', array( $this, 'custom_registration_redirect' ) );
161 207 add_action( 'login_message', array( $this, 'show_registration_pending_message' ) );
162 208 }
163 209
164 - // Force password reset login message (always active, independent of settings)
165 - add_filter( 'authenticate', array( $this, 'check_force_reset_on_login' ), 30, 3 );
166 - add_action( 'after_password_reset', array( $this, 'clear_force_reset_meta' ), 10, 1 );
210 + // What enforces marks already written to an account, which stays
211 + // registered even with the module off. See init_enforcement_hooks().
212 + $this->init_enforcement_hooks();
167 213 }
168 214
169 215 /**
170 216 * Validate username on profile update
@@ -241,9 +287,11 @@
241 287 * @return bool
242 288 */
243 289 private function is_insecure_username( $username ) {
244 290 $username = strtolower( trim( $username ) );
245 - $insecure_usernames = $this->options['insecure_usernames'] ?? array();
291 + // Vigilante_Settings::list_or_shipped(): an empty list of a setting with
292 + // no field on screen is a leftover, not a choice. See its docblock.
293 + $insecure_usernames = $this->get_insecure_usernames();
246 294
247 295 return in_array( $username, array_map( 'strtolower', $insecure_usernames ), true );
248 296 }
249 297
@@ -945,9 +993,14 @@
945 993 *
946 994 * @return array
947 995 */
948 996 public function get_insecure_usernames() {
949 - return $this->options['insecure_usernames'] ?? array();
997 + // The single reader of this list, so what blocks and what the screen
998 + // reports can never disagree.
999 + return Vigilante_Settings::list_or_shipped(
1000 + $this->options['insecure_usernames'] ?? array(),
1001 + array( 'user_security', 'insecure_usernames' )
1002 + );
950 1003 }
951 1004
952 1005 /**
953 1006 * Check for existing insecure admin users
@@ -1206,22 +1259,27 @@
1206 1259 * @param string $password Password.
1207 1260 * @return WP_User|WP_Error|null
1208 1261 */
1209 1262 public function check_force_reset_on_login( $user, $username, $password ) {
1210 - // Resolve the target user. The flag must be evaluated whether the
1211 - // credentials matched (WP_User) or not (WP_Error).
1212 - if ( $user instanceof WP_User ) {
1213 - $login_user = $user;
1214 - } else {
1215 - $login_user = get_user_by( 'login', $username );
1216 - if ( ! $login_user ) {
1217 - $login_user = get_user_by( 'email', $username );
1218 - }
1263 + /*
1264 + * Only a login that would otherwise have succeeded is turned into this
1265 + * rejection. Wrong credentials are left exactly as WordPress reported
1266 + * them, and they are counted like any other failed login.
1267 + *
1268 + * Until 2.11.12 this ran for a WP_Error too, resolving the account from
1269 + * the username, and replaced an incorrect_password with the rejection
1270 + * below. A rejection of Vigilant's own is not counted towards the brute
1271 + * force lockout, so any account with a pending forced reset could be
1272 + * guessed at without limit: measured on 17 Sep 2026 against 2.11.11 and
1273 + * against the first build of 2.11.12, six wrong passwords in a row, none
1274 + * of them counted and no lockout at the end. The message this function
1275 + * exists to show belongs to whoever typed the right password.
1276 + */
1277 + if ( ! ( $user instanceof WP_User ) ) {
1278 + return $user;
1219 1279 }
1220 1280
1221 - if ( ! $login_user ) {
1222 - return $user;
1223 - }
1281 + $login_user = $user;
1224 1282
1225 1283 // Check if this user has a pending forced reset.
1226 1284 $force_reset = get_user_meta( $login_user->ID, 'vigilante_force_reset_pending', true );
1227 1285 if ( ! $force_reset ) {
@@ -1227,17 +1285,11 @@
1227 1285 if ( ! $force_reset ) {
1228 1286 return $user;
1229 1287 }
1230 1288
1231 - // If credentials were wrong with an error other than incorrect_password
1232 - // (e.g. a Vigilant lockout, pending approval), don't shadow it.
1233 - if ( is_wp_error( $user ) && ! in_array( 'incorrect_password', $user->get_error_codes(), true ) ) {
1234 - return $user;
1235 - }
1289 + // Not counted towards the brute force lockout: the rejection is
1290 + // recognised by its error code (Vigilante_Login_Security::CONTROLLED_REJECTIONS).
1236 1291
1237 - // Skip brute force counter for this controlled rejection.
1238 - add_filter( 'vigilante_skip_failed_login_count', '__return_true' );
1239 -
1240 1292 // Surface the controlled rejection in the activity log so the admin
1241 1293 // can tell apart "user fails login because they typed wrong password"
1242 1294 // from "user fails login because we are forcing a reset".
1243 1295 if ( $this->activity_log ) {
@@ -1299,9 +1351,14 @@
1299 1351 return;
1300 1352 }
1301 1353
1302 1354 $settings = $this->options['registration_approval'] ?? array();
1303 - $affected_roles = $settings['affected_roles'] ?? array( 'subscriber' );
1355 + // Vigilante_Settings::list_or_shipped(): an empty list of a setting with
1356 + // no field on screen is a leftover, not a choice. See its docblock.
1357 + $affected_roles = Vigilante_Settings::list_or_shipped(
1358 + $settings['affected_roles'] ?? array(),
1359 + array( 'user_security', 'registration_approval', 'affected_roles' )
1360 + );
1304 1361
1305 1362 // Check if user role requires approval
1306 1363 $user_roles = $user->roles;
1307 1364 $needs_approval = array_intersect( $user_roles, $affected_roles );
@@ -1309,11 +1366,11 @@
1309 1366 if ( empty( $needs_approval ) ) {
1310 1367 return;
1311 1368 }
1312 1369
1313 - // Set pending status
1314 - update_user_meta( $user_id, 'vigilante_pending_approval', true );
1315 - update_user_meta( $user_id, 'vigilante_pending_since', time() );
1370 + // Set pending status, on this site only (see site_user_meta_key()).
1371 + update_user_meta( $user_id, self::site_user_meta_key( 'vigilante_pending_approval' ), true );
1372 + update_user_meta( $user_id, self::site_user_meta_key( 'vigilante_pending_since' ), time() );
1316 1373
1317 1374 // Log
1318 1375 if ( $this->activity_log ) {
1319 1376 $this->activity_log->log(
@@ -1346,14 +1403,9 @@
1346 1403 if ( is_wp_error( $user ) ) {
1347 1404 return $user;
1348 1405 }
1349 1406
1350 - $is_pending = get_user_meta( $user->ID, 'vigilante_pending_approval', true );
1351 -
1352 - if ( $is_pending ) {
1353 - // Mark this as a controlled rejection (not a brute force attempt)
1354 - add_filter( 'vigilante_skip_failed_login_count', '__return_true' );
1355 -
1407 + if ( self::is_pending_anywhere( $user->ID ) ) {
1356 1408 return new WP_Error(
1357 1409 'pending_approval',
1358 1410 __( '<strong>Account pending:</strong> Your account is awaiting administrator approval. You will receive an email once approved.', 'vigilante' )
1359 1411 );
@@ -1393,9 +1445,9 @@
1393 1445 $count,
1394 1446 'vigilante'
1395 1447 ) ),
1396 1448 absint( $count ),
1397 - '<a href="' . esc_url( admin_url( 'admin.php?page=vigilante&tab=users' ) ) . '">' . esc_html__( 'Review in Vigilant', 'vigilante' ) . '</a>'
1449 + '<a href="' . esc_url( admin_url( 'admin.php?page=vigilante&tab=users#vigilante-section-users-pending' ) ) . '">' . esc_html__( 'Review in Vigilant', 'vigilante' ) . '</a>'
1398 1450 );
1399 1451 ?>
1400 1452 </p>
1401 1453 </div>
@@ -1402,16 +1454,131 @@
1402 1454 <?php
1403 1455 }
1404 1456
1405 1457 /**
1458 + * A user meta key that belongs to one site, even on a network
1459 + *
1460 + * Registration approval is a per-site setting, but user meta is network
1461 + * wide, so a single global key made the pending queue shared: an
1462 + * administrator of one site saw, approved and rejected accounts waiting on
1463 + * another, and clearing the flag cleared it for the whole network. Reported
1464 + * by the wp.org automated review of 2.11.9.
1465 + *
1466 + * On a network the key carries the blog prefix, the way core does with
1467 + * capabilities (wp_2_capabilities), so each site keeps its own queue. On a
1468 + * single site the key is returned unchanged, so nothing has to be migrated
1469 + * there and the stored data of every existing install keeps working.
1470 + *
1471 + * @since 2.11.10
1472 + *
1473 + * Note the default is null and not 0: wpdb::get_blog_prefix() reads null as
1474 + * "the current blog", and 0 as the main site, so passing 0 here gave every
1475 + * subsite the key of the main site and kept the queue shared. Caught by
1476 + * matriz-red-repaso-21110.sh before this shipped.
1477 + *
1478 + * @param string $key Base meta key.
1479 + * @param int|null $blog_id Blog to build it for. Current blog when null.
1480 + * @return string
1481 + */
1482 + public static function site_user_meta_key( $key, $blog_id = null ) {
1483 + global $wpdb;
1484 +
1485 + if ( ! is_multisite() ) {
1486 + return $key;
1487 + }
1488 +
1489 + return $wpdb->get_blog_prefix( $blog_id ) . $key;
1490 + }
1491 +
1492 + /**
1493 + * Whether this account is waiting for approval on ANY site of the network
1494 + *
1495 + * The queue is per site and stays per site, because approving somebody is a
1496 + * decision of the site they signed up to. Blocking them is a different
1497 + * question with a different answer, and giving it the same one was a hole:
1498 + * the session cookie WordPress issues is valid on every host of the network
1499 + * (COOKIE_DOMAIN and COOKIEPATH, wp-includes/ms-default-constants.php:58-59
1500 + * and :84-88), so an account held back on demo1 logged in through the main
1501 + * site, where it carried no flag, and walked straight back into demo1 with
1502 + * that cookie. Reproduced over HTTP by the second cross review of 2.11.10.
1503 + * It is the same reasoning that two_factor_required_for() already applies:
1504 + * network-wide cookie, network-wide enforcement.
1505 + *
1506 + * Read from the account's own meta in one pass rather than by asking site by
1507 + * site, so the cost does not grow with the network. The legacy key with no
1508 + * prefix is included because the migration that moves it runs on the first
1509 + * admin page load and until then a waiting account has to keep being
1510 + * blocked; reading both fails closed.
1511 + *
1512 + * @since 2.11.10
1513 + *
1514 + * @param int $user_id User ID.
1515 + * @return bool
1516 + */
1517 + public static function is_pending_anywhere( $user_id ) {
1518 + global $wpdb;
1519 +
1520 + if ( get_user_meta( $user_id, 'vigilante_pending_approval', true ) ) {
1521 + return true;
1522 + }
1523 +
1524 + if ( ! is_multisite() ) {
1525 + return false;
1526 + }
1527 +
1528 + $all = get_user_meta( $user_id );
1529 +
1530 + if ( ! is_array( $all ) ) {
1531 + return false;
1532 + }
1533 +
1534 + $pattern = '/^' . preg_quote( $wpdb->base_prefix, '/' ) . '(\d+_)?vigilante_pending_approval$/';
1535 +
1536 + foreach ( $all as $key => $values ) {
1537 + if ( ! preg_match( $pattern, $key, $m ) ) {
1538 + continue;
1539 + }
1540 +
1541 + /*
1542 + * A mark left behind by a site that no longer exists asks nobody for
1543 + * anything: deleting a subsite does not touch this plugin's user meta,
1544 + * so the account stayed blocked on the whole network with no queue
1545 + * anywhere to clear it from, in a plugin whose users have no WP-CLI.
1546 + * Found by the third cross review of 2.11.10. get_site() is cached, so
1547 + * this costs nothing in the usual case of no leftovers.
1548 + */
1549 + if ( ! empty( $m[1] ) && ! get_site( (int) rtrim( $m[1], '_' ) ) ) {
1550 + continue;
1551 + }
1552 +
1553 + foreach ( (array) $values as $value ) {
1554 + if ( ! empty( $value ) ) {
1555 + return true;
1556 + }
1557 + }
1558 + }
1559 +
1560 + return false;
1561 + }
1562 +
1563 + /**
1406 1564 * Get pending users
1407 1565 *
1566 + * The meta key is what scopes this list to the current site, so on a network
1567 + * the query deliberately does not add the site's own membership filter on
1568 + * top. Core's WP_User_Query turns the default into "{$prefix}capabilities
1569 + * EXISTS" (wp-includes/class-wp-user-query.php:598-604), and an account that
1570 + * is waiting for approval can perfectly well have no role yet: it then held
1571 + * this site's flag, was blocked from logging in, and appeared in no queue at
1572 + * all, so nobody could ever approve or reject it. Found by the second cross
1573 + * review of 2.11.10.
1574 + *
1408 1575 * @return array Array of pending user objects.
1409 1576 */
1410 1577 public function get_pending_users() {
1411 1578 // phpcs:disable WordPress.DB.SlowDBQuery.slow_db_query_meta_key, WordPress.DB.SlowDBQuery.slow_db_query_meta_value -- Limited results in admin context.
1412 1579 $args = array(
1413 - 'meta_key' => 'vigilante_pending_approval',
1580 + 'meta_key' => self::site_user_meta_key( 'vigilante_pending_approval' ),
1414 1581 'meta_value' => '1',
1415 1582 'orderby' => 'registered',
1416 1583 'order' => 'DESC',
1417 1584 );
@@ -1416,8 +1583,12 @@
1416 1583 'order' => 'DESC',
1417 1584 );
1418 1585 // phpcs:enable WordPress.DB.SlowDBQuery.slow_db_query_meta_key, WordPress.DB.SlowDBQuery.slow_db_query_meta_value
1419 1586
1587 + if ( is_multisite() ) {
1588 + $args['blog_id'] = 0;
1589 + }
1590 +
1420 1591 return get_users( $args );
1421 1592 }
1422 1593
1423 1594 /**
@@ -1429,9 +1600,11 @@
1429 1600 */
1430 1601 public function approve_user( $user_id, $approved_by = 0 ) {
1431 1602 // Same reasoning as reject_user(): approving an account that never asked
1432 1603 // for approval is a no-op that reports success and writes misleading meta.
1433 - if ( ! get_user_meta( $user_id, 'vigilante_pending_approval', true ) ) {
1604 + // Only this site's flag counts, so approving never clears the queue of
1605 + // another site of the network (see site_user_meta_key()).
1606 + if ( ! get_user_meta( $user_id, self::site_user_meta_key( 'vigilante_pending_approval' ), true ) ) {
1434 1607 return false;
1435 1608 }
1436 1609
1437 1610 $user = get_userdata( $user_id );
@@ -1438,12 +1611,15 @@
1438 1611 if ( ! $user ) {
1439 1612 return false;
1440 1613 }
1441 1614
1442 - delete_user_meta( $user_id, 'vigilante_pending_approval' );
1443 - delete_user_meta( $user_id, 'vigilante_pending_since' );
1444 - update_user_meta( $user_id, 'vigilante_approved_by', $approved_by );
1445 - update_user_meta( $user_id, 'vigilante_approved_date', time() );
1615 + delete_user_meta( $user_id, self::site_user_meta_key( 'vigilante_pending_approval' ) );
1616 + delete_user_meta( $user_id, self::site_user_meta_key( 'vigilante_pending_since' ) );
1617 + // Por sitio como las dos de arriba: quien aprueba y cuando es un hecho de
1618 + // la cola de ESTE sitio, y dejarlas globales hacia que una aprobacion
1619 + // pisara el registro de otro (cierra B4 de la revision cruzada).
1620 + update_user_meta( $user_id, self::site_user_meta_key( 'vigilante_approved_by' ), $approved_by );
1621 + update_user_meta( $user_id, self::site_user_meta_key( 'vigilante_approved_date' ), time() );
1446 1622
1447 1623 // Log
1448 1624 if ( $this->activity_log ) {
1449 1625 $admin = $approved_by ? get_userdata( $approved_by ) : null;
@@ -1484,9 +1660,9 @@
1484 1660 // Only an account actually waiting for approval may be rejected. Without
1485 1661 // this the handler deletes any user id it is given, and wp_delete_user()
1486 1662 // with no reassignment takes their posts with them, skipping the dialog
1487 1663 // core always shows. Deleting a member is the Users screen's job.
1488 - if ( ! get_user_meta( $user_id, 'vigilante_pending_approval', true ) ) {
1664 + if ( ! get_user_meta( $user_id, self::site_user_meta_key( 'vigilante_pending_approval' ), true ) ) {
1489 1665 return false;
1490 1666 }
1491 1667
1492 1668 // Log before deletion
@@ -1513,8 +1689,21 @@
1513 1689
1514 1690 // Send rejection email before deleting
1515 1691 $this->send_rejection_email( $user, $reason );
1516 1692
1693 + /*
1694 + * The mark goes first, because on a network the account may well survive
1695 + * the deletion: wp_delete_user() only calls remove_user_from_blog() there
1696 + * (wp-admin/includes/user.php:440-442), which clears the role and nothing
1697 + * of this plugin's own meta. Leaving it behind made Reject a loop with no
1698 + * way out: the account stayed blocked on every site of the network, the
1699 + * row never left the queue (which since 2.11.10 no longer hides accounts
1700 + * without a role), and pressing Reject again sent the rejection email once
1701 + * more and reported success. Found by the third cross review of 2.11.10.
1702 + */
1703 + delete_user_meta( $user_id, self::site_user_meta_key( 'vigilante_pending_approval' ) );
1704 + delete_user_meta( $user_id, self::site_user_meta_key( 'vigilante_pending_since' ) );
1705 +
1517 1706 // Delete user
1518 1707 require_once ABSPATH . 'wp-admin/includes/user.php';
1519 1708 return wp_delete_user( $user_id );
1520 1709 }
@@ -1533,9 +1722,9 @@
1533 1722 __( '[%s] New user registration pending approval', 'vigilante' ),
1534 1723 $site_name
1535 1724 );
1536 1725
1537 - $approve_url = admin_url( 'admin.php?page=vigilante&tab=users' );
1726 + $approve_url = admin_url( 'admin.php?page=vigilante&tab=users#vigilante-section-users-pending' );
1538 1727
1539 1728 $body = Vigilante_Email_Template::p( __( 'A new user has registered and is awaiting your approval.', 'vigilante' ) );
1540 1729 $body .= Vigilante_Email_Template::data_table( array(
1541 1730 __( 'Username', 'vigilante' ) => $user->user_login,
@@ -1896,8 +2085,31 @@
1896 2085 return max( 0, $count );
1897 2086 }
1898 2087
1899 2088 /**
2089 + * Whether the session store this limit would act on belongs to a whole network
2090 + *
2091 + * WP_Session_Tokens keeps session_tokens in the usermeta table, which is
2092 + * network wide, while this limit is configured per site. So on a network a
2093 + * site administrator setting a low limit would count, and with close_oldest
2094 + * close, the sessions the same user opened on other sites, including an
2095 + * administrator session elsewhere; and block_new would refuse a login over
2096 + * sessions that have nothing to do with this site. Reported by the wp.org
2097 + * automated review of 2.11.9, on the close_oldest half.
2098 + *
2099 + * Until the network-wide policy of 3.1.0, the limit simply does not apply on
2100 + * a network, and the settings screen says so. On a single site nothing
2101 + * changes: there the session store and the setting cover the same thing.
2102 + *
2103 + * @since 2.11.10
2104 + *
2105 + * @return bool
2106 + */
2107 + public static function session_limit_is_network_wide() {
2108 + return is_multisite();
2109 + }
2110 +
2111 + /**
1900 2112 * Check session limit before login completes (for block_new behavior)
1901 2113 *
1902 2114 * @param WP_User $user User object.
1903 2115 * @param string $password Password.
@@ -1907,8 +2119,12 @@
1907 2119 if ( is_wp_error( $user ) ) {
1908 2120 return $user;
1909 2121 }
1910 2122
2123 + if ( self::session_limit_is_network_wide() ) {
2124 + return $user;
2125 + }
2126 +
1911 2127 $settings = $this->options['session_limits'] ?? array();
1912 2128 $max_sessions = absint( $settings['max_sessions'] ?? 3 );
1913 2129 $exclude_admins = ! empty( $settings['exclude_admins'] );
1914 2130
@@ -1938,11 +2154,8 @@
1938 2154 'warning'
1939 2155 );
1940 2156 }
1941 2157
1942 - // Mark this as a controlled rejection (not a brute force attempt)
1943 - add_filter( 'vigilante_skip_failed_login_count', '__return_true' );
1944 -
1945 2158 return new WP_Error(
1946 2159 'session_limit_exceeded',
1947 2160 sprintf(
1948 2161 /* translators: %d: Maximum sessions allowed */
@@ -1961,8 +2174,12 @@
1961 2174 * @param string $user_login Username.
1962 2175 * @param WP_User $user User object.
1963 2176 */
1964 2177 public function enforce_session_limit( $user_login, $user ) {
2178 + if ( self::session_limit_is_network_wide() ) {
2179 + return;
2180 + }
2181 +
1965 2182 $settings = $this->options['session_limits'] ?? array();
1966 2183 $max_sessions = absint( $settings['max_sessions'] ?? 3 );
1967 2184 $behavior = $settings['behavior'] ?? 'block_new';
1968 2185 $exclude_admins = ! empty( $settings['exclude_admins'] );
@@ -1981,27 +2198,69 @@
1981 2198 return;
1982 2199 }
1983 2200
1984 2201 if ( 'close_oldest' === $behavior ) {
1985 - // Sort by login time and destroy oldest
1986 - uasort( $all_sessions, function( $a, $b ) {
1987 - return ( $a['login'] ?? 0 ) - ( $b['login'] ?? 0 );
2202 + /*
2203 + * Remove the oldest sessions by editing the session store directly.
2204 + *
2205 + * WP_Session_Tokens::get_all() returns array_values( get_sessions() ),
2206 + * so its keys are 0, 1, 2, not tokens, and destroy() expects a raw
2207 + * token, which is not stored anywhere and cannot be recovered for a
2208 + * session other than the current one. Until 2.11.9 the loop passed
2209 + * those numeric keys to destroy(), which hashed them, matched nothing
2210 + * and closed no session while still counting and logging success, so
2211 + * the cap did nothing under close_oldest. Reported by the wp.org
2212 + * automated review of 2.11.8.
2213 + *
2214 + * The store keeps the sessions as the user meta 'session_tokens',
2215 + * keyed by the verifier hash( 'sha256', token ), which is the value
2216 + * is_current_session() already compares against. So the oldest are
2217 + * removed from that map, keeping the current session whatever its age.
2218 + * On a network the meta is global (one finding of the multisite audit,
2219 + * to be reworked in 3.1.0); here the fix is only to make the removal
2220 + * actually happen.
2221 + */
2222 + $stored = get_user_meta( $user->ID, 'session_tokens', true );
2223 +
2224 + if ( ! is_array( $stored ) || empty( $stored ) ) {
2225 + return;
2226 + }
2227 +
2228 + $now = time();
2229 + $changed = false;
2230 +
2231 + // Expired sessions are dead weight and count for nothing; drop them first.
2232 + foreach ( $stored as $verifier => $session ) {
2233 + if ( isset( $session['expiration'] ) && (int) $session['expiration'] < $now ) {
2234 + unset( $stored[ $verifier ] );
2235 + $changed = true;
2236 + }
2237 + }
2238 +
2239 + // Oldest first, keeping the current session whatever its login time.
2240 + uasort( $stored, function ( $a, $b ) {
2241 + return ( $a['login'] ?? 0 ) <=> ( $b['login'] ?? 0 );
1988 2242 } );
1989 2243
1990 - $sessions_to_remove = $session_count - $max_sessions;
1991 - $removed = 0;
2244 + $sessions_to_remove = count( $stored ) - $max_sessions;
2245 + $removed = 0;
1992 2246
1993 - foreach ( $all_sessions as $token_hash => $session ) {
2247 + foreach ( $stored as $verifier => $session ) {
1994 2248 if ( $removed >= $sessions_to_remove ) {
1995 2249 break;
1996 2250 }
1997 - // Don't remove current session
1998 - if ( ! $this->is_current_session( $token_hash ) ) {
1999 - $sessions->destroy( $token_hash );
2000 - $removed++;
2251 + if ( $this->is_current_session( $verifier ) ) {
2252 + continue;
2001 2253 }
2254 + unset( $stored[ $verifier ] );
2255 + $removed++;
2256 + $changed = true;
2002 2257 }
2003 2258
2259 + if ( $changed ) {
2260 + update_user_meta( $user->ID, 'session_tokens', $stored );
2261 + }
2262 +
2004 2263 // Log
2005 2264 if ( $this->activity_log && $removed > 0 ) {
2006 2265 $this->activity_log->log(
2007 2266 'user',
@@ -2051,17 +2310,25 @@
2051 2310
2052 2311 // Honor both affected_roles AND the per-user exclusion list, and
2053 2312 // clear stale flags if the user no longer matches the rules.
2054 2313 if ( ! $this->is_password_expiration_applicable( $user_id ) ) {
2055 - if ( get_user_meta( $user_id, 'vigilante_must_change_password', true ) ) {
2314 + // Only on a single site, for the same reason as in
2315 + // force_password_change_redirect(): on a network the flag belongs to
2316 + // the account, and this site's policy says nothing about the site
2317 + // that set it. The 2.11.8 fix only covered that method, and this
2318 + // notice cleared the flag anyway on the next admin page; found by
2319 + // the cross review of 2.11.8.
2320 + if ( ! is_multisite() && get_user_meta( $user_id, 'vigilante_must_change_password', true ) ) {
2056 2321 delete_user_meta( $user_id, 'vigilante_must_change_password' );
2057 2322 }
2058 2323 return;
2059 2324 }
2060 2325
2061 - // Check if must change password
2062 - $must_change = get_user_meta( $user_id, 'vigilante_must_change_password', true );
2063 - if ( $must_change ) {
2326 + // Ask what the redirect asks. From 2.11.9 to 3.0.3 this read only the
2327 + // flag, which is written at login, while force_password_change_redirect()
2328 + // also works the expiry out on the spot: a session still open when the
2329 + // password expired was sent to the profile with no notice saying why.
2330 + if ( $this->must_change_password( $user_id ) ) {
2064 2331 global $pagenow;
2065 2332 $on_profile = ( 'profile.php' === $pagenow );
2066 2333 ?>
2067 2334 <div class="notice notice-error">
@@ -2068,8 +2335,9 @@
2068 2335 <p>
2069 2336 <strong><?php esc_html_e( 'Password change required', 'vigilante' ); ?></strong>
2070 2337 <?php if ( $on_profile ) : ?>
2071 2338 <?php esc_html_e( 'Your password has expired. Set a new password in the section below and save your profile to continue.', 'vigilante' ); ?>
2339 + <a href="#password"><?php esc_html_e( 'Go to the password field', 'vigilante' ); ?></a>
2072 2340 <?php else : ?>
2073 2341 <?php
2074 2342 printf(
2075 2343 /* translators: %s: Link to profile */
@@ -2088,28 +2356,40 @@
2088 2356 <?php
2089 2357 return;
2090 2358 }
2091 2359
2092 - // Show warning if expiring soon
2360 + // Show warning if expiring soon. get_days_until_expiration() rounds down,
2361 + // so 0 here is less than a day left: an expired password never gets this
2362 + // far, must_change_password() has answered for it above. Until 3.0.3 the
2363 + // check asked for more than 0, so the last day showed nothing and the
2364 + // next thing the user saw was the forced change.
2093 2365 $days_left = $this->get_days_until_expiration( $user_id );
2094 2366 $warning_days = absint( $settings['warning_days'] ?? 14 );
2095 2367
2096 - if ( $days_left > 0 && $days_left <= $warning_days ) {
2368 + if ( $warning_days > 0 && $days_left >= 0 && $days_left <= $warning_days ) {
2097 2369 ?>
2098 2370 <div class="notice notice-warning is-dismissible">
2099 2371 <p>
2100 2372 <?php
2101 - printf(
2102 - /* translators: 1: Number of days, 2: Link to profile */
2103 - esc_html( _n(
2104 - 'Your password will expire in %1$d day. Please %2$s.',
2105 - 'Your password will expire in %1$d days. Please %2$s.',
2106 - $days_left,
2107 - 'vigilante'
2108 - ) ),
2109 - absint( $days_left ),
2110 - '<a href="' . esc_url( admin_url( 'profile.php' ) ) . '">' . esc_html__( 'change it now', 'vigilante' ) . '</a>'
2111 - );
2373 + if ( $days_left < 1 ) {
2374 + printf(
2375 + /* translators: %s: Link to profile */
2376 + esc_html__( 'Your password expires in less than a day. Please %s.', 'vigilante' ),
2377 + '<a href="' . esc_url( admin_url( 'profile.php' ) ) . '">' . esc_html__( 'change it now', 'vigilante' ) . '</a>'
2378 + );
2379 + } else {
2380 + printf(
2381 + /* translators: 1: Number of days, 2: Link to profile */
2382 + esc_html( _n(
2383 + 'Your password will expire in %1$d day. Please %2$s.',
2384 + 'Your password will expire in %1$d days. Please %2$s.',
2385 + $days_left,
2386 + 'vigilante'
2387 + ) ),
2388 + absint( $days_left ),
2389 + '<a href="' . esc_url( admin_url( 'profile.php' ) ) . '">' . esc_html__( 'change it now', 'vigilante' ) . '</a>'
2390 + );
2391 + }
2112 2392 ?>
2113 2393 </p>
2114 2394 </div>
2115 2395 <?php
@@ -2116,44 +2396,279 @@
2116 2396 }
2117 2397 }
2118 2398
2119 2399 /**
2120 - * Force redirect to password change page
2400 + * Whether this user must change an expired password before doing anything else
2401 + *
2402 + * The flag alone is not enough: it is re-checked against the current policy,
2403 + * because the admin may have taken the user's role out of affected_roles or
2404 + * added the user to the exclusion list after it was set, which would
2405 + * otherwise lock them in a redirect loop. A stale flag is cleared on a
2406 + * single site; on a network the meta is shared by every site and the policy
2407 + * checked is only this site's, so it is left alone and simply not enforced
2408 + * here (a network-wide rework is the 3.1.0 multisite item).
2409 + *
2410 + * @since 2.11.9
2411 + *
2412 + * @param int $user_id User ID.
2413 + * @return bool
2121 2414 */
2415 + private function must_change_password( $user_id ) {
2416 + if ( ! $user_id ) {
2417 + return false;
2418 + }
2419 +
2420 + $flagged = (bool) get_user_meta( $user_id, 'vigilante_must_change_password', true );
2421 +
2422 + if ( ! $this->is_password_expiration_applicable( $user_id ) ) {
2423 + if ( $flagged && ! is_multisite() ) {
2424 + delete_user_meta( $user_id, 'vigilante_must_change_password' );
2425 + }
2426 + return false;
2427 + }
2428 +
2429 + if ( $flagged ) {
2430 + return true;
2431 + }
2432 +
2433 + // The flag is set at interactive login (check_password_expiration on
2434 + // wp_login). A session that authenticates only through REST, XML-RPC or
2435 + // an application password never fires wp_login, so the flag can be
2436 + // absent while the password is in fact expired. Compute it on the fly
2437 + // too, so a non-interactive route is not a way around the block. The
2438 + // computation self-seeds the change date on first sight and never locks
2439 + // out a user who has no record yet (see is_password_expired()).
2440 + return $this->is_password_expired( $user_id );
2441 + }
2442 +
2443 + /**
2444 + * Whether this request is the user's own profile form and nothing else
2445 + *
2446 + * A user who must change an expired password is let through to the profile,
2447 + * because that is where the change is made. Until 3.0.3 "the profile" meant
2448 + * the name of the script, and profile.php can be asked for other things: the
2449 + * admin bootstrap runs a plugin page or an importer named in the address
2450 + * whatever the script is, and fires the hook of any action it is sent
2451 + * (wp-admin/admin.php), and the profile script edits whichever user the
2452 + * request names (wp-admin/user-edit.php). The pending change could be put
2453 + * off while part of the admin area was still in use.
2454 + *
2455 + * Two requests are the profile form: the one that shows it, which posts
2456 + * nothing, and the one that saves it carrying the nonce WordPress printed
2457 + * on this user's own form. Parameters in the address that WordPress does
2458 + * nothing with are left alone, so a proxy or a browser extension that adds
2459 + * one to every address does not send the user round in circles.
2460 + *
2461 + * Meant for admin_init. wp-admin/profile.php defines IS_PROFILE_PAGE before
2462 + * it loads the admin bootstrap, so the constant is there when that script is
2463 + * the one running. The network admin and user dashboard copies load the
2464 + * bootstrap first: from them the user is taken to the site profile, where
2465 + * the notice is shown.
2466 + *
2467 + * @return bool
2468 + */
2469 + private function is_own_profile_request() {
2470 + global $pagenow, $plugin_page;
2471 +
2472 + if ( 'profile.php' !== $pagenow || ! defined( 'IS_PROFILE_PAGE' ) || ! IS_PROFILE_PAGE ) {
2473 + return false;
2474 + }
2475 +
2476 + // A plugin page or an importer named in the address.
2477 + if ( isset( $plugin_page ) || isset( $_GET['import'] ) ) {
2478 + return false;
2479 + }
2480 +
2481 + // Somebody else's profile.
2482 + $own_id = (string) get_current_user_id();
2483 + if ( ! empty( $_REQUEST['user_id'] ) && $own_id !== $_REQUEST['user_id'] ) {
2484 + return false;
2485 + }
2486 +
2487 + // No action: the form being shown, which posts nothing.
2488 + if ( empty( $_REQUEST['action'] ) ) {
2489 + return empty( $_POST );
2490 + }
2491 +
2492 + // An action: only the form being saved.
2493 + return 'update' === $_REQUEST['action']
2494 + && isset( $_REQUEST['_wpnonce'] )
2495 + && false !== wp_verify_nonce( sanitize_text_field( wp_unslash( $_REQUEST['_wpnonce'] ) ), 'update-user_' . $own_id );
2496 + }
2497 +
2498 + /**
2499 + * Force a user with an expired password to change it, on wp-admin and AJAX
2500 + *
2501 + * Until 2.11.9 this only redirected wp-admin pages and skipped AJAX, so an
2502 + * expired-password session kept working through admin-ajax, and the REST API
2503 + * and the front end were not covered at all. The wp.org automated review of
2504 + * 2.11.8 flagged it: setting a flag on login is not enforcement if the flag
2505 + * is only read by one redirect. It is now enforced on every entry point,
2506 + * here for wp-admin and AJAX and in the three methods below for REST, the
2507 + * front end and XML-RPC. The only thing an affected user can still do is
2508 + * change the password on profile.php or log out. From 2.11.9 to 3.0.3 that
2509 + * was not quite true, because any request to profile.php was let through:
2510 + * see is_own_profile_request().
2511 + */
2122 2512 public function force_password_change_redirect() {
2123 - if ( ! is_user_logged_in() ) {
2513 + if ( ! is_user_logged_in() || ! $this->must_change_password( get_current_user_id() ) ) {
2124 2514 return;
2125 2515 }
2126 2516
2127 - // Don't redirect on AJAX or profile page
2517 + // AJAX: a redirect is useless, so the request is refused. Changing the
2518 + // password is a profile.php form POST, not AJAX, so nothing the user
2519 + // needs to fix this is blocked.
2128 2520 if ( wp_doing_ajax() ) {
2521 + wp_send_json_error(
2522 + array( 'message' => __( 'Your password has expired. Change it in your profile before continuing.', 'vigilante' ) ),
2523 + 403
2524 + );
2525 + }
2526 +
2527 + // The profile form is where the change happens; do not redirect it onto
2528 + // itself. Anything else profile.php is asked for goes back to the form.
2529 + if ( $this->is_own_profile_request() ) {
2129 2530 return;
2130 2531 }
2131 2532
2132 - global $pagenow;
2133 - if ( 'profile.php' === $pagenow ) {
2533 + $this->redirect_to_profile();
2534 + }
2535 +
2536 + /**
2537 + * Send a user who must change an expired password to their profile
2538 + *
2539 + * To the top of it, with no "#password" fragment (it had one from 1.0.0 to
2540 + * 3.0.3): the browser jumped straight to the password row and left the
2541 + * notice that says why, printed at the top of the page, out of sight. The
2542 + * notice carries the link to the field instead.
2543 + *
2544 + * wp_safe_redirect() answers an address it does not take for the site's
2545 + * own with a redirect to admin_url(), the dashboard, and the dashboard sent
2546 + * the user here again, and so on until the browser gave up. It only knows
2547 + * the home host, so that happened on a site whose WordPress lives on a host
2548 + * of its own, and also where the host has non-ASCII letters stored as
2549 + * written or is an IPv6 literal. The address sent is built here from the
2550 + * site's own settings and carries nothing from the request, so the fallback
2551 + * for this one call is that same address: what admin_url() says is as good
2552 + * for the profile as it is for the dashboard WordPress falls back to.
2553 + */
2554 + private function redirect_to_profile() {
2555 + $profile = admin_url( 'profile.php' );
2556 +
2557 + add_filter(
2558 + 'wp_safe_redirect_fallback',
2559 + static function () use ( $profile ) {
2560 + return $profile;
2561 + }
2562 + );
2563 +
2564 + wp_safe_redirect( $profile );
2565 + exit;
2566 + }
2567 +
2568 + /**
2569 + * Refuse REST API requests from a user whose password has expired
2570 + *
2571 + * @since 2.11.9
2572 + *
2573 + * @param WP_Error|null|true $result Result of the earlier authentication checks.
2574 + * @return WP_Error|null|true
2575 + */
2576 + public function block_expired_password_rest( $result ) {
2577 + // Leave any decision another check already made, and do not act on
2578 + // logged-out requests to public endpoints.
2579 + if ( null !== $result && false !== $result ) {
2580 + return $result;
2581 + }
2582 +
2583 + if ( is_user_logged_in() && $this->must_change_password( get_current_user_id() ) ) {
2584 + return new WP_Error(
2585 + 'vigilante_password_expired',
2586 + __( 'Your password has expired. Change it in your profile before using the REST API.', 'vigilante' ),
2587 + array( 'status' => 403 )
2588 + );
2589 + }
2590 +
2591 + return $result;
2592 + }
2593 +
2594 + /**
2595 + * Send a user with an expired password to the change page from the front end
2596 + *
2597 + * @since 2.11.9
2598 + */
2599 + public function force_password_change_frontend() {
2600 + if ( is_admin() || ! is_user_logged_in() || ! $this->must_change_password( get_current_user_id() ) ) {
2134 2601 return;
2135 2602 }
2136 2603
2137 - $user_id = get_current_user_id();
2138 - $must_change = get_user_meta( $user_id, 'vigilante_must_change_password', true );
2604 + $this->redirect_to_profile();
2605 + }
2139 2606
2140 - if ( ! $must_change ) {
2141 - return;
2607 + /**
2608 + * Let a user who must change an expired password reach the profile in a WooCommerce store
2609 + *
2610 + * WooCommerce sends accounts with no back-end role (a customer, a subscriber)
2611 + * from wp-admin to My Account, and force_password_change_frontend() sends
2612 + * them from there back to the profile. With one of those roles in Affected
2613 + * Roles the two redirects chased each other until the browser gave up, from
2614 + * 2.11.9 to 3.0.3, and the account could neither use the store nor change
2615 + * the password.
2616 + *
2617 + * WooCommerce's redirect is lifted on the profile and nowhere else, and only
2618 + * while the change is pending: from any other wp-admin screen the account
2619 + * still ends up on the profile, and once the new password is saved
2620 + * WooCommerce sends it back to My Account as it always does.
2621 + *
2622 + * What this depends on is not the caller's to choose: the user comes from
2623 + * the session, whether the change is pending from must_change_password(),
2624 + * and the request has to be the profile form and nothing else, which is
2625 + * is_own_profile_request(), the same test the redirect uses. What it gives
2626 + * is the user's own profile, which WordPress opens to any account that can
2627 + * read (wp-admin/menu.php); WooCommerce's redirect is the store's
2628 + * preference, not a permission.
2629 + *
2630 + * @param bool $prevent_access Whether WooCommerce is about to send this request out of wp-admin.
2631 + * @return bool
2632 + */
2633 + public function allow_profile_for_password_change( $prevent_access ) {
2634 + if ( $prevent_access && is_user_logged_in() && $this->is_own_profile_request() && $this->must_change_password( get_current_user_id() ) ) {
2635 + return false;
2142 2636 }
2143 2637
2144 - // Re-validate against current settings: the admin may have removed
2145 - // this user's role from affected_roles or added the user to the
2146 - // excluded list after the flag was set. Without this check the flag
2147 - // outlives the configuration change and locks the user in a redirect
2148 - // loop into profile.php.
2149 - if ( ! $this->is_password_expiration_applicable( $user_id ) ) {
2150 - delete_user_meta( $user_id, 'vigilante_must_change_password' );
2151 - return;
2638 + return $prevent_access;
2639 + }
2640 +
2641 + /**
2642 + * Refuse XML-RPC calls from a user whose password has expired
2643 + *
2644 + * The last of the four non-wp-admin entry points. XML-RPC authenticates on
2645 + * every call with the account credentials (a password or an application
2646 + * password), so a session that never touches wp-admin could keep acting
2647 + * through xmlrpc.php while the password sits expired. Scoped to XML-RPC
2648 + * requests so an ordinary login, which the user needs to reach profile.php,
2649 + * is never blocked here. Runs late on authenticate, after core and the
2650 + * application-password handler have resolved the user.
2651 + *
2652 + * @since 2.11.9
2653 + *
2654 + * @param WP_User|WP_Error|null $user Result of the earlier authentication.
2655 + * @return WP_User|WP_Error|null
2656 + */
2657 + public function block_expired_password_xmlrpc( $user ) {
2658 + if ( ! ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) ) {
2659 + return $user;
2152 2660 }
2153 2661
2154 - wp_safe_redirect( admin_url( 'profile.php#password' ) );
2155 - exit;
2662 + if ( $user instanceof WP_User && $this->must_change_password( $user->ID ) ) {
2663 + return new WP_Error(
2664 + 'vigilante_password_expired',
2665 + __( 'Your password has expired. Change it in your profile before using XML-RPC.', 'vigilante' ),
2666 + array( 'status' => 403 )
2667 + );
2668 + }
2669 +
2670 + return $user;
2156 2671 }
2157 2672
2158 2673 /**
2159 2674 * Whether password expiration rules currently apply to a given user
@@ -2520,8 +3035,21 @@
2520 3035 *
2521 3036 * @param int $user_id User ID.
2522 3037 */
2523 3038 public function send_verification_email( $user_id ) {
3039 + /*
3040 + * Never send an account that is already verified back to pending. The
3041 + * resend link below reaches this, and while the pending value was
3042 + * unreadable (see the note on the meta write) that was harmless; with
3043 + * the check working, resending for a verified account would lock its
3044 + * owner out of their own site.
3045 + */
3046 + if ( metadata_exists( 'user', $user_id, 'vigilante_email_verified' )
3047 + && get_user_meta( $user_id, 'vigilante_email_verified', true )
3048 + ) {
3049 + return;
3050 + }
3051 +
2524 3052 $user = get_userdata( $user_id );
2525 3053 if ( ! $user ) {
2526 3054 return;
2527 3055 }
@@ -2536,10 +3064,22 @@
2536 3064
2537 3065 // Store token
2538 3066 update_user_meta( $user_id, 'vigilante_verification_token', $token_hash );
2539 3067 update_user_meta( $user_id, 'vigilante_verification_expires', $expires );
2540 - update_user_meta( $user_id, 'vigilante_email_verified', false );
2541 3068
3069 + /*
3070 + * '0' and not false. update_user_meta() stores false as an empty string
3071 + * (maybe_serialize() returns it unchanged and wpdb writes it with %s), and
3072 + * an empty string is what get_user_meta() also returns when there is no
3073 + * row at all. So from the moment this feature existed until 2.11.10 the
3074 + * value written to mean "not verified yet" was read back as "this account
3075 + * predates the feature, let it in", and the branch that blocks the login
3076 + * was unreachable. Found by the file-by-file review of 2.11.10. '0' is
3077 + * falsy in PHP and survives the round trip, and the readers below tell an
3078 + * absent row from a stored one with metadata_exists().
3079 + */
3080 + update_user_meta( $user_id, 'vigilante_email_verified', '0' );
3081 +
2542 3082 // Build verification URL
2543 3083 $verify_url = add_query_arg(
2544 3084 array(
2545 3085 'vigilante_verify' => '1',
@@ -2613,16 +3153,21 @@
2613 3153 if ( is_wp_error( $user ) ) {
2614 3154 return $user;
2615 3155 }
2616 3156
2617 - // Check if email is verified
2618 - $verified = get_user_meta( $user->ID, 'vigilante_email_verified', true );
2619 -
2620 - // If no meta exists, user was created before this feature - allow
2621 - if ( '' === $verified ) {
3157 + /*
3158 + * Only a row that does not exist means "created before this feature".
3159 + * An existing row holding an empty string is an account that older
3160 + * versions marked as pending, and it has to be blocked like any other:
3161 + * reading both the same way is what made this check let everyone in
3162 + * (see send_verification_email()).
3163 + */
3164 + if ( ! metadata_exists( 'user', $user->ID, 'vigilante_email_verified' ) ) {
2622 3165 return $user;
2623 3166 }
2624 3167
3168 + $verified = get_user_meta( $user->ID, 'vigilante_email_verified', true );
3169 +
2625 3170 if ( ! $verified ) {
2626 3171 $settings = $this->options['email_verification'] ?? array();
2627 3172 $allow_resend = ! empty( $settings['allow_resend'] );
2628 3173
@@ -2664,10 +3209,19 @@
2664 3209
2665 3210 // Verify nonce to prevent CSRF and user-ID probing.
2666 3211 if ( ! isset( $_GET['_vigilante_nonce'] ) ||
2667 3212 ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['_vigilante_nonce'] ) ), 'vigilante_resend_verification_' . $user_id ) ) {
2668 - wp_safe_redirect( add_query_arg( 'vigilante_message', 'invalid', wp_login_url() ) );
2669 - exit;
3213 + /*
3214 + * Nothing is redirected to the login page until the request
3215 + * has proved something, and a bad nonce proves nothing. It
3216 + * used to answer with a redirect to wp_login_url(), which
3217 + * under a custom login URL IS the secret address, so any
3218 + * visitor could read it out of the Location header of a
3219 + * request carrying garbage. Found by the third cross review
3220 + * of 2.11.10. Returning leaves the request to render the page
3221 + * it asked for, which tells nobody anything.
3222 + */
3223 + return;
2670 3224 }
2671 3225
2672 3226 // Rate limiting: allow 1 resend every 5 minutes per user to prevent email spam.
2673 3227 $transient_key = 'vigilante_resend_' . $user_id;
@@ -2688,28 +3242,30 @@
2688 3242 $user_id = isset( $_GET['user_id'] ) ? absint( $_GET['user_id'] ) : 0;
2689 3243 // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- token-based verification below.
2690 3244 $token = isset( $_GET['token'] ) ? sanitize_text_field( wp_unslash( $_GET['token'] ) ) : '';
2691 3245
3246 + // Same as the resend above: no proof, no redirect, so the Location
3247 + // header cannot be used to read the custom login URL.
2692 3248 if ( ! $user_id || ! $token ) {
2693 - wp_safe_redirect( add_query_arg( 'vigilante_message', 'invalid', wp_login_url() ) );
2694 - exit;
3249 + return;
2695 3250 }
2696 3251
2697 - $stored_hash = get_user_meta( $user_id, 'vigilante_verification_token', true );
2698 - $expires = get_user_meta( $user_id, 'vigilante_verification_expires', true );
3252 + $stored_hash = (string) get_user_meta( $user_id, 'vigilante_verification_token', true );
3253 + $expires = (int) get_user_meta( $user_id, 'vigilante_verification_expires', true );
2699 3254
2700 - // Check expiration
3255 + // The token first. Checking the expiry before it answered "expired" for
3256 + // any account with no verification pending and "invalid" for one waiting,
3257 + // so a wrong link revealed which user ids were waiting (2.11.8). Only the
3258 + // holder of the right token learns that it expired.
3259 + if ( '' === $stored_hash || ! hash_equals( $stored_hash, wp_hash( $token ) ) ) {
3260 + return;
3261 + }
3262 +
2701 3263 if ( time() > $expires ) {
2702 3264 wp_safe_redirect( add_query_arg( 'vigilante_message', 'expired', wp_login_url() ) );
2703 3265 exit;
2704 3266 }
2705 3267
2706 - // Verify token
2707 - if ( ! hash_equals( $stored_hash, wp_hash( $token ) ) ) {
2708 - wp_safe_redirect( add_query_arg( 'vigilante_message', 'invalid', wp_login_url() ) );
2709 - exit;
2710 - }
2711 -
2712 3268 // Mark as verified
2713 3269 update_user_meta( $user_id, 'vigilante_email_verified', true );
2714 3270 delete_user_meta( $user_id, 'vigilante_verification_token' );
2715 3271 delete_user_meta( $user_id, 'vigilante_verification_expires' );
@@ -2730,12 +3286,11 @@
2730 3286 'info'
2731 3287 );
2732 3288 }
2733 3289
2734 - // Check if user still needs approval
2735 - $is_pending = get_user_meta( $user_id, 'vigilante_pending_approval', true );
2736 -
2737 - if ( $is_pending ) {
3290 + // Anywhere on the network, so the message matches what will actually
3291 + // happen at the login: that is what blocks (see is_pending_anywhere()).
3292 + if ( self::is_pending_anywhere( $user_id ) ) {
2738 3293 // User verified but still pending approval
2739 3294 wp_safe_redirect(
2740 3295 add_query_arg(
2741 3296 array(
@@ -2796,15 +3351,17 @@
2796 3351 * @param int $user_id User ID.
2797 3352 * @return bool
2798 3353 */
2799 3354 public function is_email_verified( $user_id ) {
2800 - $verified = get_user_meta( $user_id, 'vigilante_email_verified', true );
2801 -
2802 - // If no meta exists, consider verified (old users)
2803 - if ( '' === $verified ) {
3355 + // Same reading as block_unverified_user_login(): only an absent row means
3356 + // the account predates the feature. A stored empty string is an account
3357 + // an older version left pending.
3358 + if ( ! metadata_exists( 'user', $user_id, 'vigilante_email_verified' ) ) {
2804 3359 return true;
2805 3360 }
2806 3361
3362 + $verified = get_user_meta( $user_id, 'vigilante_email_verified', true );
3363 +
2807 3364 return (bool) $verified;
2808 3365 }
2809 3366
2810 3367 /* =========================================================================
@@ -2826,9 +3383,9 @@
2826 3383
2827 3384 // Check if this user's role requires approval
2828 3385 $needs_approval = false;
2829 3386 if ( ! empty( $registration_approval['enabled'] ) ) {
2830 - $affected_roles = $registration_approval['affected_roles'] ?? array( 'subscriber' );
3387 + $affected_roles = Vigilante_Settings::list_or_shipped( $registration_approval['affected_roles'] ?? array(), array( 'user_security', 'registration_approval', 'affected_roles' ) );
2831 3388 $needs_approval = ! empty( array_intersect( $user->roles, $affected_roles ) );
2832 3389 }
2833 3390
2834 3391 // Check if email verification is enabled
@@ -2940,9 +3497,9 @@
2940 3497 if ( empty( $registration_approval['enabled'] ) ) {
2941 3498 return false;
2942 3499 }
2943 3500
2944 - $affected_roles = $registration_approval['affected_roles'] ?? array( 'subscriber' );
3501 + $affected_roles = Vigilante_Settings::list_or_shipped( $registration_approval['affected_roles'] ?? array(), array( 'user_security', 'registration_approval', 'affected_roles' ) );
2945 3502 return ! empty( array_intersect( $user->roles, $affected_roles ) );
2946 3503 }
2947 3504
2948 3505 /**