A vulnerability classified as critical was found in MAGESH-K21 Online-College-Event-Hall-Reservation-System 1.0. Affected by this vulnerability is an unknown functionality of the file /admin/update-users.php. The manipulation of the argument id leads to sql injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-256969 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.