CVE-2026-81340
MasterStudy LMS < 3.7.50 - Instructor+ Order Status Manipulation via IDOR
- State
- Published
- Severity
- 3.8 Low
- Published
- Sep 18, 2026
- Updated
- Sep 18, 2026
- Reserved
- Aug 26, 2026
Description
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not perform per-object ownership or capability checks when updating orders through its REST API, allowing users with the Instructor role to modify any order on the site, granting free course enrolment, revoking other users' paid enrolments, and tampering with order notes.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 3.8 Low | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L | CISA-ADP |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
MasterStudy LMS WordPress PluginUnknown |
|
References
- https://wpscan.com/vulnerability/8006876f-27bb-483d-b4e4-9fa4414d16f0/exploitvdb-entrytechnical-description
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