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OpenAdvisories
Medium · 5.4 CVE-2026-12271 EUVD-2026-43287GHSA-pqgf-9jm9-v6q5

Tutor LMS < 3.9.13 - Subscriber+ Arbitrary Quiz Attempt Modification via IDOR

Published Jul 13, 2026 · Updated Jul 13, 2026 · Assigned by WPScan

Description

The Tutor LMS WordPress plugin before 3.9.13 does not verify ownership of the targeted quiz attempt before writing to it, allowing authenticated users with subscriber-level access and above to modify and force-complete other students' quiz attempts, overwriting their recorded marks and pass/fail result.

Affected products

VendorProductAffectedFixed
— Tutor LMS < 3.9.13 3.9.13

References