CVE-2026-12271: medium-severity vulnerability in Tutor LMS
Tutor LMS < 3.9.13 - Subscriber+ Arbitrary Quiz Attempt Modification via IDOR
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.4epss 0.3%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Affected products
Unknown · Tutor LMSpublic PoCs found — 1
cve_referencewpscan.com/vulnerability/ca99ea35-4bf8-4dc8-a817-79fb9fa1c5bd/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Tutor LMS
In the same product, most dangerous first.
CVE-2026-19092CRITICALTutor LMS < 4.0.6 - Unauthenticated Arbitrary Zero-Argument Function Invocation via Template Variable ShadowingEPSS 2.6%CVE-2023-0236MEDIUMTutor LMS < 2.0.10 - Reflected Cross-Site ScriptingEPSS 1.3%CVE-2023-3133—Tutor LMS < 2.2.1 - Unauthenticated Access to Tutor LMS Lesson Resources via REST APIEPSS 1.0%CVE-2023-4805MEDIUMTutor LMS < 2.3.0 - Subscriber+ Stored Cross-Site ScriptingEPSS 0.5%CVE-2026-85569HIGHTutor LMS 2.7.1 - < 4.0.8 - Read-Only API Key Privilege Escalation via REST Request MisclassificationEPSS 0.5%CVE-2026-19093MEDIUMTutor LMS < 4.0.6 - Instructor+ Arbitrary File Read via Video PathEPSS 0.5%