cvedb.io
CVE-2021-42669
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2021-11-05T13:15:09.213 · Last modified 2026-06-17T04:09:56.570

Summary

A file upload vulnerability exists in Sourcecodester Engineers Online Portal in PHP via dashboard_teacher.php, which allows changing the avatar through teacher_avatar.php. Once an avatar gets uploaded it is getting uploaded to the /admin/uploads/ directory, and is accessible by all users. By uploading a php webshell containing "<?php system($_GET["cmd"]); ?>" the attacker can execute commands on the web server with - /admin/uploads/php-webshell?cmd=id.

Affected products

engineers_online_portal_project — engineers_online_portal

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.