What is CVE-2026-12274?

CVE-2026-12274 is a medium-severity vulnerability in Tutor Lms, classified under CWE-639 AUTHORIZATION BYPASS THROUGH USER-CONTROLLED KEY. CVSS score: 6.5/10. Published 2026-07-13.

How severe is CVE-2026-12274?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Tutor Lms

CVE-2026-12274

The Tutor LMS WordPress plugin before 3.9.13 does not verify that the requesting user is allowed to edit a target post before overwriting it in one of its content-builder save handlers, authorizing the request only against an unrelated identifier, allowing authenticated users with instructor-level access to overwrite and take over any post or page on the site, including those owned by administrators.

Published 2026-07-13 · last modified 2026-07-13.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.9th percentile), scored 2026-10-12.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Tutor Lms — versions 0

References

wpscan.com/vulnerability/c3d98ead-a4f4-48fd-bf9c-4fa91c5681d7/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-12274?: CVE-2026-12274 is a medium-severity vulnerability in Tutor Lms, classified under CWE-639 AUTHORIZATION BYPASS THROUGH USER-CONTROLLED KEY. CVSS score: 6.5/10. Published 2026-07-13.
How severe is CVE-2026-12274?: Medium severity. CVSS v3 base score is 6.5 out of 10.