Tongda OA 2017 delete.php sql injection

A vulnerability classified as critical has been found in Tongda OA 2017 up to 11.10. Affected is an unknown function of the file /general/email/outbox/delete.php. The manipulation of the argument DELETE_STR leads to sql injection. The exploit has been disclosed to the public and may be used. VDB-252990 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.