A vulnerability, which was classified as critical, was found in YouDianCMS 7. Affected is an unknown function of the file /Public/ckeditor/plugins/multiimage/dialogs/image_upload.php. The manipulation of the argument files leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-273252. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.