CVE-2021-29663 Cross-site scripting in n/a
An admin can inject XSS payloads via the Job Title field, allowing script execution on the registration page for other users.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-29663?
CVE-2021-29663 is a medium-severity cross-site scripting vulnerability in n/a, published on 31 Mar 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2021-29663?
It affects 1 product.
Products include Course Registration Management System Project Course Registration Management System.
How do I fix CVE-2021-29663?
No fix has been published for CVE-2021-29663 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-29663 being exploited?
There is no known exploitation of CVE-2021-29663 in the wild and no public exploit code.
Sources
Also known as GHSA-w3cp-r2x3-pw86.