MasterStudy LMS exposes unpublished course records without authentication
MasterStudy LMS before 3.7.46 leaves an author-course listing REST route unrestricted and does not filter results by publication status. An unauthenticated visitor can retrieve the titles and IDs of draft, pending, private, and published courses.
- Component
- MasterStudy LMS WordPress Plugin
- Plugin slug
masterstudy-lms-learning-management-system- Affected
- < 3.7.46
- Safe version
3.7.46- Published
- Sep 02, 2026
This CVE was published Sep 02, 2026 and is one of 31 known issues for this plugin.
Update, patch or deactivate.
Update to MasterStudy LMS 3.7.46 or later and assess whether unpublished course names or identifiers were exposed.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
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nor does it filter that listing by publication status, allowing unauthenticated users to read the titles and IDs of unpublished (draft, pending and private) courses.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N