A vulnerability was found in DedeBIZ 6.3.0. It has been rated as critical. Affected by this issue is some unknown functionality of the file admin/file_manage_control.php of the component File Extension Handler. The manipulation of the argument upfile1 leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.