WordPress Plugin Vulnerabilities
MasterStudy LMS < 3.7.50 - Subscriber+ Quiz Attempt Grade Disclosure via IDOR
Description
The plugin 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.
Proof of Concept
Affects Plugins
Fixed in 3.7.50 References
CVE
Classification
Type
IDOR
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Revanth Hari Narayana Matte
Submitter
Revanth Hari Narayana Matte
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2026-09-21 (about 2 days ago)
Added
2026-09-21 (about 1 day ago)
Last Updated
2026-09-21 (about 1 day ago)
