CVE-2026-13332
Critical
Description
The Masteriyo LMS WordPress plugin before 2.3.1 does not correctly verify authorization on an unauthenticated AJAX action used to clear user sessions, allowing unauthenticated attackers to terminate the active sessions (force-logout) of any user on the site, including administrators.
SeverityCritical
CVSS9.1
Exploit probability—
ProductMasteriyo LMS
PublishedJul 27, 2026
First seenJul 27, 2026
Weakness typeCWE-287Improper authentication
How to fix
Update
- Masteriyo LMS2.3.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Masteriyo LMS | v < 2.3.1 | 2.3.1 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.