CVE-2021-46013: Free School Management Software Project Free School Management Software

Critical severity, CVSS 9.8. EPSS: 3.5% chance of exploitation in the next 30 days.

An unrestricted file upload vulnerability exists in Sourcecodester Free school management software 1.0. An attacker can leverage this vulnerability to enable remote code execution on the affected web server. Once a php webshell containing "<?php system($_GET["cmd"]); ?>" gets uploaded it is saved into /uploads/exam_question/ directory, and is accessible by all users.

Affected products

Published 2022-01-18. Last modified 2026-06-17.