Changeset 49402 for branches/4.4/src/wp-admin/custom-background.php

Timestamp:

10/29/2020 07:04:00 PM (5 years ago)

Author:

whyisjake

Message:

General: WordPress updates

• XML-RPC: Improve error messages for unprivileged users.
• External Libraries: Disable deserialization in Requests_Utility_FilteredIterator
• Embeds: Disable embeds on deactivated Multisite sites.
• Coding standards: Modify escaping functions to avoid potential false positives.
• XML-RPC: Return error message if attachment ID is incorrect.
• Upgrade/install: Improve logic check when determining installation status.
• Meta: Sanitize meta key before checking protection status.
• Themes: Ensure that only privileged users can set a background image when a theme is using the deprecated custom background page.

Brings the changes from [49380,49382-49388] to the 4.4 branch.

Props xknown, zieladam, peterwilsoncc, whyisjake, desrosj, dd32.

Location:

branches/4.4

Files:

• . (modified) (1 prop)
• src/wp-admin/custom-background.php (modified) (1 diff)

branches/4.4/src/wp-admin/custom-background.php

@@ -465 +465 @@
      */
     public function wp_set_background_image() {
+        check_ajax_referer( 'custom-background' );
         if ( ! current_user_can('edit_theme_options') || ! isset( $_POST['attachment_id'] ) ) exit;
         $attachment_id = absint($_POST['attachment_id']);