CVE-2025-13766
Medium
Description
The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to unauthorized modification and deletion of data due to a missing capability checks on multiple REST API endpoints in all versions up to, and including, 3.7.6. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload or delete arbitrary media files, delete or modify posts, and create/manage course templates
SeverityMedium
CVSS5.4
Exploit probability—
ProductMasterStudy LMS WordPress Plugin – for Online Courses and Education
PublishedJan 6, 2026
First seenJan 6, 2026
Weakness typeCWE-862Missing authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| stylemix MasterStudy LMS WordPress Plugin – for Online Courses and Education | v ≤ 3.7.6 | — |
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