MasterStudy LMS permits cross-instructor curriculum modification
MasterStudy LMS before 3.7.46 does not verify ownership of curriculum objects. An authenticated instructor can delete or modify curriculum sections and materials belonging to courses owned by other instructors.
- 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 29 known issues for this plugin.
Update, patch or deactivate.
Update to MasterStudy LMS 3.7.46 or later and audit curriculum changes made by instructor accounts.
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 properly verify ownership of a curriculum object before acting on it, allowing authenticated users with the instructor role to delete or modify curriculum sections and materials belonging to courses owned by other instructors.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L