CVE-2026-81197: Unknown Masterstudy Lms WordPress Plugin

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.46 does not restrict access to a REST route that lists an author's courses, nor does it filter that listing by publication status, allowing unauthenticated users to read the titles and IDs of unpublished (draft, pending and private) courses.

Affected products

  • Unknown Masterstudy Lms WordPress Plugin: before 3.7.46 (fixed in 3.7.46)

Published 2026-09-02. Last modified 2026-09-03.