What is CVE-2026-12271?

CVE-2026-12271 is a medium-severity vulnerability in Tutor Lms, classified under CWE-639 AUTHORIZATION BYPASS THROUGH USER-CONTROLLED KEY. CVSS score: 5.4/10. Published 2026-07-13.

How severe is CVE-2026-12271?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Tutor Lms

CVE-2026-12271

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' qui…

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Unknown Tutor Lms — versions 0

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-12271?: CVE-2026-12271 is a medium-severity vulnerability in Tutor Lms, classified under CWE-639 AUTHORIZATION BYPASS THROUGH USER-CONTROLLED KEY. CVSS score: 5.4/10. Published 2026-07-13.
How severe is CVE-2026-12271?: Medium severity. CVSS v3 base score is 5.4 out of 10.