PHPGurukul Pre-School Enrollment System Sub Admin add-subadmin.php access control

A vulnerability was found in PHPGurukul Pre-School Enrollment System 1.0 and classified as critical. Affected by this issue is some unknown functionality of the file /admin/add-subadmin.php of the component Sub Admin Handler. The manipulation leads to improper access controls. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.