A vulnerability was found in PHPGurukul Student Record System 3.20 and classified as critical. Affected by this issue is some unknown functionality of the file /edit-subject.php. The manipulation of the argument sub1/sub2/sub3/sub4/udate leads to sql injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-260618 is the identifier assigned to this vulnerability.