| @@ -46,29 +46,8 @@ | ||
| 46 | 46 | 'section', |
| 47 | 47 | 'span', |
| 48 | 48 | ]; |
| 49 | 49 | |
| 50 | - /** | |
| 51 | - * Tags that must never be usable as an HTML wrapper tag, regardless of what | |
| 52 | - * `elementor/allowed_html_wrapper_tags` filters return. These are the classic | |
| 53 | - * script-execution / markup-injection vectors (XSS), so they're enforced as a | |
| 54 | - * hard denylist rather than left to filter authors to avoid re-adding them. | |
| 55 | - */ | |
| 56 | - const FORBIDDEN_HTML_WRAPPER_TAGS = [ | |
| 57 | - 'script', | |
| 58 | - 'iframe', | |
| 59 | - 'object', | |
| 60 | - 'embed', | |
| 61 | - 'style', | |
| 62 | - 'link', | |
| 63 | - 'meta', | |
| 64 | - 'base', | |
| 65 | - 'noscript', | |
| 66 | - 'template', | |
| 67 | - 'svg', | |
| 68 | - 'math', | |
| 69 | - ]; | |
| 70 | - | |
| 71 | 50 | const EXTENDED_ALLOWED_HTML_TAGS = [ |
| 72 | 51 | 'iframe' => [ |
| 73 | 52 | 'iframe' => [ |
| 74 | 53 | 'allow' => true, |
| @@ -796,45 +775,8 @@ | ||
| 796 | 775 | } |
| 797 | 776 | } |
| 798 | 777 | |
| 799 | 778 | /** |
| 800 | - * @var string[]|null | |
| 801 | - */ | |
| 802 | - private static $resolved_allowed_html_wrapper_tags; | |
| 803 | - | |
| 804 | - /** | |
| 805 | - * Get allowed HTML wrapper tags. | |
| 806 | - * | |
| 807 | - * @since 4.4.0 | |
| 808 | - * | |
| 809 | - * @return string[] | |
| 810 | - */ | |
| 811 | - public static function get_allowed_html_wrapper_tags(): array { | |
| 812 | - if ( null !== self::$resolved_allowed_html_wrapper_tags ) { | |
| 813 | - return self::$resolved_allowed_html_wrapper_tags; | |
| 814 | - } | |
| 815 | - | |
| 816 | - /** | |
| 817 | - * Allowed HTML wrapper tags. | |
| 818 | - * | |
| 819 | - * Filters the list of allowed HTML tag names used by `validate_html_tag()`. | |
| 820 | - * | |
| 821 | - * Note: tags in `Utils::FORBIDDEN_HTML_WRAPPER_TAGS` (e.g. `script`, `iframe`, | |
| 822 | - * `object`) are always stripped after this filter runs and cannot be re-added, | |
| 823 | - * to prevent XSS via a wrapper tag that executes script or embeds external content. | |
| 824 | - * | |
| 825 | - * @since 4.4.0 | |
| 826 | - * | |
| 827 | - * @param string[] $tags A list of lowercase HTML tag name strings. | |
| 828 | - */ | |
| 829 | - $tags = apply_filters( 'elementor/allowed_html_wrapper_tags', self::ALLOWED_HTML_WRAPPER_TAGS ); | |
| 830 | - | |
| 831 | - self::$resolved_allowed_html_wrapper_tags = self::normalize_allowed_html_wrapper_tags( $tags ); | |
| 832 | - | |
| 833 | - return self::$resolved_allowed_html_wrapper_tags; | |
| 834 | - } | |
| 835 | - | |
| 836 | - /** | |
| 837 | 779 | * Validate an HTML tag against a safe allowed list. |
| 838 | 780 | * |
| 839 | 781 | * @param string $tag |
| 840 | 782 | * |
| @@ -840,34 +782,9 @@ | ||
| 840 | 782 | * |
| 841 | 783 | * @return string |
| 842 | 784 | */ |
| 843 | 785 | public static function validate_html_tag( $tag ) { |
| 844 | - return $tag && in_array( strtolower( $tag ), self::get_allowed_html_wrapper_tags(), true ) ? $tag : 'div'; | |
| 845 | - } | |
| 846 | - | |
| 847 | - /** | |
| 848 | - * @param array $tags | |
| 849 | - * | |
| 850 | - * @return string[] | |
| 851 | - */ | |
| 852 | - private static function normalize_allowed_html_wrapper_tags( array $tags ): array { | |
| 853 | - $normalized_tags = []; | |
| 854 | - | |
| 855 | - foreach ( $tags as $tag ) { | |
| 856 | - if ( ! is_string( $tag ) ) { | |
| 857 | - continue; | |
| 858 | - } | |
| 859 | - | |
| 860 | - $tag = strtolower( $tag ); | |
| 861 | - | |
| 862 | - if ( in_array( $tag, self::FORBIDDEN_HTML_WRAPPER_TAGS, true ) ) { | |
| 863 | - continue; | |
| 864 | - } | |
| 865 | - | |
| 866 | - $normalized_tags[] = $tag; | |
| 867 | - } | |
| 868 | - | |
| 869 | - return array_values( array_unique( $normalized_tags ) ); | |
| 786 | + return $tag && in_array( strtolower( $tag ), self::ALLOWED_HTML_WRAPPER_TAGS ) ? $tag : 'div'; | |
| 870 | 787 | } |
| 871 | 788 | |
| 872 | 789 | /** |
| 873 | 790 | * Safe print a validated HTML tag. |