CVE-2024-3994 Cross-site scripting in Tutor LMS – eLearning and online course solution

Medium 5.4 Published 25 Apr 2024 Updated 8 Apr 2026

Authenticated attackers can inject arbitrary scripts via a shortcode, leading to code execution or account takeover for other users.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-3994?

CVE-2024-3994 is a medium-severity cross-site scripting vulnerability in themeum Tutor LMS – eLearning and online course solution, published on 25 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'tutor_instructor_list' shortcode in all versions up to, and including, 2.6.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Weakness: CWE-79

Which versions are affected by CVE-2024-3994?

It affects 1 product.

Products include Themeum Tutor Lms.

How do I fix CVE-2024-3994?

No fix has been published for CVE-2024-3994 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-2024-3994 being exploited?

There is no known exploitation of CVE-2024-3994 in the wild and no public exploit code.

Sources

Also known as GHSA-chvx-77g5-qh6v.