CVE-2025-13766
MasterStudy LMS WordPress Plugin – for Online Courses and Education <= 3.7.6 Missing Authorization to Authenticated (Subscriber+) Posts and Media Creation, Modification and Deletion
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
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
| CWE | CWE-862 |
| Vendor | stylemix |
| Product | masterstudy lms wordpress plugin – for online courses and education |
| Published | Jan 6, 2026 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
stylemix / MasterStudy LMS WordPress Plugin – for Online Courses and Education
0 ≤ 3.7.6
References
Credits
thinnawarth mathuros