A vulnerability was found in MAGESH-K21 Online-College-Event-Hall-Reservation-System 1.0. It has been rated as problematic. This issue affects some unknown processing of the file /admin/update-rooms.php. The manipulation of the argument id leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-256967. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.