| @@ -20,9 +20,9 @@ | ||
| 20 | 20 | protected $block_name = 'ecm-upvote-count'; |
| 21 | 21 | |
| 22 | 22 | public function build_css( $attributes ) { |
| 23 | 23 | $css_generator = new CssGenerator( $attributes, $this->block_name ); |
| 24 | - $wrapper_class = ! empty( $attributes['wrapper_class'] ) ? $attributes['wrapper_class'] : 'upvote-count-wrapper'; | |
| 24 | + $wrapper_class = sanitize_html_class( $attributes['wrapper_class'] ?? '', 'upvote-count-wrapper' ); | |
| 25 | 25 | |
| 26 | 26 | $css_generator->add_class_styles( |
| 27 | 27 | '{{WRAPPER}} .' . $wrapper_class, |
| 28 | 28 | $this->get_coutineu_button_wrapper_css( $attributes ), |
