CVE-2020-23828: Online Course Registration Project Online Course Registration

Critical severity, CVSS 9.8. EPSS: 4.1% chance of exploitation in the next 30 days.

A File Upload vulnerability in SourceCodester Online Course Registration v1.0 allows remote attackers to achieve Remote Code Execution (RCE) on the hosting webserver by uploading a crafted PHP web-shell that bypasses the image upload filters. An attack uses /Online%20Course%20Registration/my-profile.php with the POST parameter photo.

Affected products

• Online Course Registration Project Online Course Registration: version 1.0 only

Published 2020-09-15. Last modified 2026-06-17.