CVE-2020-23828

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-434

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.exploit-db.com/exploits/48704Exploit, Third Party Advisory, VDB Entry
https://www.sourcecodester.com/php/14251/online-course-registration.htmlExploit, Vendor Advisory
https://www.exploit-db.com/exploits/48704Exploit, Third Party Advisory, VDB Entry
https://www.sourcecodester.com/php/14251/online-course-registration.htmlExploit, Vendor Advisory

Timeline

Published: Sep 15, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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