A vulnerability, which was classified as critical, was found in SourceCodester Gym Management System. This affects an unknown part of the file login.php. The manipulation of the argument user_login with the input [email protected]’ OR (SELECT 9084 FROM(SELECT COUNT(*),CONCAT(0x7178767871,(SELECT (ELT(9084=9084,1))),0x71767a6271,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a)– dPvW leads to sql injection. Access to the local network is required for this attack. The exploit has been disclosed to the public and may be used. The identifier VDB-205833 was assigned to this vulnerability.