Changeset 62004 for branches/4.9/src/wp-includes/media.php

Timestamp:

03/13/2026 12:57:21 PM (7 months ago)

Author:

johnbillion

Message:

Grouped backports for the 4.9 branch.

• XML-RPC: Switch to wp_safe_remote() when fetching a pingback URL.
• HTML API: Prevent WP_HTML_Tag_Processor instances being unserialized and add some extra logic for validating pattern and template file paths.
• KSES: Optimize PCRE pattern detecting numeric character references.
• Customize: Improve escaping approach used for nav menu attributes.
• Media: Ensure the attachment parent is accessible to the user before showing a link to it in the media manager.
• Administration: Ensure client-side templates are only detected when they're correctly associated with a script tag.
• Filesystem API: Don't attempt to extract invalid files from a zip when using the PclZip library.

Merges [61879-61884,61886-61887,61890,61913] to the 4.9 branch.

Props johnbillion, xknown, dmsnell, jorbin, peterwilson, desrosj, westonruter, jonsurrell, audrasjb.

Location:

branches/4.9

Files:

• . (modified) (1 prop)
• src/wp-includes/media.php (modified) (2 diffs)

branches/4.9/src/wp-includes/media.php

@@ -3155 +3155 @@
         }
 
-        if ( $post_parent ) {
+        if ( $post_parent && current_user_can( 'read_post', $attachment->post_parent ) ) {
                 $parent_type = get_post_type_object( $post_parent->post_type );
 
@@ -3162 +3162 @@
                 }
 
-                if ( $parent_type && current_user_can( 'read_post', $attachment->post_parent ) ) {
+                if ( $parent_type ) {
                         $response['uploadedToTitle'] = $post_parent->post_title ? $post_parent->post_title : __( '(no title)' );
                 }