[ CVE-2026-88847 · Published 24 Sep 2026 ]

Vulnerability in Unknown MasterStudy LMS WordPress Plugin

CVSS 4.3 EPSS <1%No fix listed yet

[ Description ]Official description

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not verify that a user is enrolled in a course before recording lesson completions against it, allowing any authenticated user, such as a subscriber, to create course progress records for courses they have no access to.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.