Ticket #58831: 58831-escaping-function-missing-twentythirteen-theme.patch

wp-content/themes/twentythirteen/functions.php

@@ -533 +533 @@
 
                 $categories_list = get_the_category_list( wp_get_list_item_separator() );
                 if ( $categories_list ) {
-                        echo '<span class="categories-links">' . $categories_list . '</span>';
+                        echo '<span class="categories-links">' . esc_html( $categories_list ) . '</span>';
                 }
 
                 $tags_list = get_the_tag_list( '', wp_get_list_item_separator() );
                 if ( $tags_list && ! is_wp_error( $tags_list ) ) {
-                        echo '<span class="tags-links">' . $tags_list . '</span>';
+                        echo '<span class="tags-links">' . esc_html( $tags_list ) . '</span>';
                 }
 
                 // Post author.