Cross-Site Scripting (XSS) vulnerability in School Attendance Monitoring System and School Event Management System affecting version 1.0. An attacker could create a specially crafted URL and send it to a victim to obtain details of their session cookie via the 'Attendance', 'attenddate', 'YearLevel', 'eventdate', 'events', 'Users' and 'YearLevel' parameters in '/report/index.php'.