CVE-2025-13935 Missing authorization in Tutor LMS – eLearning and online course solution
Authenticated subscribers can arbitrarily mark any course as completed due to missing enrollment verification in the Tutor LMS plugin.
- 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-2025-13935?
CVE-2025-13935 is a medium-severity missing authorization vulnerability in themeum Tutor LMS – eLearning and online course solution, published on 9 Jan 2026. 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 unauthorized course completion in all versions up to, and including, 3.9.2. This is due to missing enrollment verification in the 'mark_course_complete' function. This makes it possible for authenticated attackers, with subscriber level access and above, to mark any course as completed.
Weakness: CWE-862
Which versions are affected by CVE-2025-13935?
How do I fix CVE-2025-13935?
No fix has been published for CVE-2025-13935 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-13935 being exploited?
There is no known exploitation of CVE-2025-13935 in the wild and no public exploit code.
Sources
Also known as GHSA-wh58-cvj2-mjv5.