MAGESH-K21 Online-College-Event-Hall-Reservation-System users.php sql injection

A vulnerability, which was classified as critical, was found in MAGESH-K21 Online-College-Event-Hall-Reservation-System 1.0. This affects an unknown part of the file /admin/users.php. The manipulation of the argument user_id leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-256971. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.