Vulnerability · Published Jul 13, 2026 · Assigned by WPScan
CVE-2026-12271Tutor LMS < 3.9.13 - Subscriber+ Arbitrary Quiz Attempt Modification via IDOR
Medium 5.4
In plain English
A medium-severity security flaw in Tutor LMS from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.3%top 78.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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 (as reported)
References
- https://wpscan.com/vulnerability/ca99ea35-4bf8-4dc8-a817-79fb9fa1c5bd/ exploit, vdb-entry, technical-description