CVE-2021-24621 WP Courses LMS < 2.0.44 - Authenticated Stored XSS via Video Embed Code
Authenticated users can inject malicious scripts via video embed code in WP Courses LMS, leading to stored XSS attacks.
- 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-2021-24621?
CVE-2021-24621 is a medium-severity cross-site scripting vulnerability in Unknown WP Courses LMS, published on 13 Sep 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The WP Courses LMS WordPress plugin before 2.0.44 does not sanitise its Video Embed Code, allowing malicious code to be injected in it by high privilege users, even when the unfiltered_html capability is disallowed, which could lead to Stored Cross-Site Scripting issues
Weakness: CWE-79
Which versions are affected by CVE-2021-24621?
It affects 1 product.
Products include Stratospheredigital Wp Courses Lms.
How do I fix CVE-2021-24621?
No fix has been published for CVE-2021-24621 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-2021-24621 being exploited?
There is no known exploitation of CVE-2021-24621 in the wild and no public exploit code.
Sources
Also known as GHSA-8jw6-mfpx-fgw6.