CVE-2026-81339 — MasterStudy LMS < 3.7.50 - Subscriber+ Quiz Attempt Grade Disclosure via IDOR

CVE-2026-81339

MasterStudy LMS < 3.7.50 - Subscriber+ Quiz Attempt Grade Disclosure via IDOR PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Unknown / MasterStudy LMS WordPress Plugin	affected 0 before 3.7.50

CWE

No CWE identifiers supplied.

References

https://wpscan.com/vulnerability/f027d0b1-5d8a-4e80-adb3-bbf97dc53306/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.