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Opened 4 years ago

Last modified 16 months ago

#37266 closed defect (bug)

AJAX uploads fail to complete successfully when a cookie named "action" exists — at Initial Version

Reported by: pembo13 Owned by:
Milestone: Priority: normal
Severity: normal Version: 4.5.3
Component: Administration Keywords:
Focuses: Cc:

Description

When a user has a cookie named "action", AJAX uploads to /wp-admin/async-upload.php fail to define DOING_AJAX because the check 'upload-attachment' === $_REQUEST['action'] since $_REQUEST includes $_COOKIES.

As a result, calling wp_die() at the end of wp_ajax_upload_attachment() results in the standard Wordpress error HTML being appended to the response, and an HTTP 500 error code being returned.

I'm currently seeing this being triggered by the "Calls To Action" plugin. See http://support.inboundnow.com/support/topic/calls-to-action-breaking-wordpress-image-upload/

This probably affects all versions of Wordpress.

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