Changeset 56838 for trunk/src/wp-admin/includes/ajax-actions.php

Timestamp:

10/12/2023 12:45:49 PM (12 months ago)

Author:

audrasjb

Message:

Shortcodes: Restrict ajax handler for media shortcode.

Props tykoted, xknown, peterwilsoncc, antpb, jorbin.

File:

• trunk/src/wp-admin/includes/ajax-actions.php (modified) (2 diffs)

trunk/src/wp-admin/includes/ajax-actions.php

@@ -3883 +3883 @@
     $shortcode = wp_unslash( $_POST['shortcode'] );
 
+    // Only process previews for media related shortcodes:
+    $found_shortcodes = get_shortcode_tags_in_content( $shortcode );
+    $media_shortcodes = array(
+        'audio',
+        'embed',
+        'playlist',
+        'video',
+        'gallery',
+    );
+
+    $other_shortcodes = array_diff( $found_shortcodes, $media_shortcodes );
+
+    if ( ! empty( $other_shortcodes ) ) {
+        wp_send_json_error();
+    }
+
     if ( ! empty( $_POST['post_ID'] ) ) {
         $post = get_post( (int) $_POST['post_ID'] );
@@ -3889 +3905 @@
     // The embed shortcode requires a post.
     if ( ! $post || ! current_user_can( 'edit_post', $post->ID ) ) {
-        if ( 'embed' === $shortcode ) {
+        if ( in_array( 'embed', $found_shortcodes, true ) ) {
             wp_send_json_error();
         }