CVE-2026-8279 Masteriyo LMS <= 2.2.0 - Missing Authorization to Unauthenticated Arbitrary Course Progress Deletion
Unauthenticated attackers can delete arbitrary course progress records due to missing capability checks in the Masteriyo LMS plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8279?
CVE-2026-8279 is a medium-severity missing authorization vulnerability in Masteriyo LMS – LMS Course Builder, Quizzes & Certificates, published on 7 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Masteriyo LMS plugin for WordPress is vulnerable to unauthorized data deletion due to a missing capability check on the 'delete_item_permissions_check' function in the CourseProgressItemsController in all versions up to, and including, 2.2.0. This makes it possible for unauthenticated attackers to delete arbitrary course progress records belonging to any student.
Weakness: CWE-862
Which versions are affected by CVE-2026-8279?
How do I fix CVE-2026-8279?
No fix has been published for CVE-2026-8279 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-2026-8279 being exploited?
There is no known exploitation of CVE-2026-8279 in the wild and no public exploit code.
Sources
Also known as GHSA-jv59-f2rj-m7r3.