CVE-2021-29663

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-03-31 · updated 2026-06-17
Weakness: CWE-79

Description

CourseMS (aka Course Registration Management System) 2.1 is affected by cross-site scripting (XSS). When an attacker with access to an Admin account creates a Job Title in the Site area (aka the admin/add_jobs.php name parameter), they can insert an XSS payload. This payload will execute whenever anyone visits the registration page.

Affected products

Course Registration Management System Project Course Registration Management System: 2.1

References

http://sourceforge.net/projects/coursems
https://github.com/cptsticky/A-0day-Per-Day-Keeps-The-Cope-Away/blob/main/CVE-2021-29663
http://sourceforge.net/projects/coursems
https://github.com/cptsticky/A-0day-Per-Day-Keeps-The-Cope-Away/blob/main/CVE-2021-29663

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