CVE-2026-12274
Tutor LMS < 3.9.13 - Instructor+ Arbitrary Post Overwrite via IDOR
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Tutor LMS < 3.9.13 - Instructor+ Arbitrary Post Overwrite via IDOR
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.
- Record
CVE-2026-12274- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
EUVDEUVD-2026-43289
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.
- Record
EUVD-2026-43289- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-c7pm-q6w7-5993
The Tutor LMS WordPress plugin before 3.9.13 does not verify that the requesting user is allowed...
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.
- Record
GHSA-c7pm-q6w7-5993- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-12274- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-12274 is a medium vulnerability (CVSS 6.5) in Themeum Tutor Lms, published July 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. No source names a fixed version.