[ CVE-2026-88848 · Published 25 Sep 2026 ]

Vulnerability in Unknown MasterStudy LMS

CVSS 4.2 EPSS <1%No fix listed yet

[ Description ]Official description

The MasterStudy LMS WordPress plugin from 1.9 before 3.7.50 does not verify that a course a member asks to enrol in is covered by their membership plan, nor that the plan identifier submitted with the request is one they actually hold, allowing any member to enrol themselves into restricted paid courses outside their plan and beyond the number of courses it entitles them 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.