CVE-2026-4484 Masteriyo LMS <= 2.1.6 - Missing Authorization to Authenticated (Student+) Privilege Escalation to Administrator
Authenticated students can escalate privileges to administrator due to missing authorization checks in the Masteriyo 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-2026-4484?
CVE-2026-4484 is a high-severity vulnerability in Masteriyo LMS – Online Course Builder for eLearning, LMS & Education, published on 26 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Masteriyo LMS plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.1.6. This is due to the plugin allowing a user to update the user role through the 'InstructorsController::prepare_object_for_database' function. This makes it possible for authenticated attackers, with Student-level access and above, to elevate their privileges to that of an administrator.
Weakness: CWE-862
Which versions are affected by CVE-2026-4484?
How do I fix CVE-2026-4484?
No fix has been published for CVE-2026-4484 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-4484 being exploited?
There is no known exploitation of CVE-2026-4484 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-6m8q-32w5-c768.