A SQL injection vulnerability was found in the instructorClasses.php file of itsourcecode Online Student Enrollment System v1.0. The reason for this issue is that the 'classId' parameter from $_GET['classId'] is directly concatenated into the SQL query without any sanitization or validation.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H