The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not perform a per-object ownership check when returning a quiz attempt result, allowing any authenticated user with a minimal (subscriber) role to read other students' quiz grades, pass/fail status and attempt timestamps by referencing an attempt identifier belonging to another user.
Metrics
Affected Vendors & Products
References
History
Mon, 28 Sep 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Wordpress-extensions
Wordpress-extensions masterstudy Lms |
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| Vendors & Products |
Wordpress-extensions
Wordpress-extensions masterstudy Lms |
Wed, 23 Sep 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not perform a per-object ownership check when returning a quiz attempt result, allowing any authenticated user with a minimal (subscriber) role to read other students' quiz grades, pass/fail status and attempt timestamps by referencing an attempt identifier belonging to another user. | |
| Title | MasterStudy LMS < 3.7.50 - Subscriber+ Quiz Attempt Grade Disclosure via IDOR | |
| Weaknesses | CWE-639 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: WPScan
Published: 2026-09-23T06:00:15.932Z
Updated: 2026-09-23T10:59:07.298Z
Reserved: 2026-08-26T18:07:09.452Z
Link: CVE-2026-81339
Updated: 2026-09-23T10:37:59.961Z
Status : Deferred
Published: 2026-09-23T06:17:02.263
Modified: 2026-09-23T18:13:31.210
Link: CVE-2026-81339
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