CVE-2026-12274

MEDIUMPre-NVD 6.5Trending — 4 sources updated this weekElevated
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
6.5
EG Score
0.0(none)
EPSS
8.2%
KEV
Not listed

Published

July 13, 2026

Last Modified

July 13, 2026

Advisory Details (1)

Auto-updated Jul 13, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Tutor LMS < 3.9.13 – Instructor+ Arbitrary Post Overwrite via IDOR | CVE 2026-12274 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/c3d98ead-a4f4-48fd-bf9c-4fa91c5681d7/

Vendor Advisories for CVE-2026-12274(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 02:00 UTCEPSS rescore
  3. 2026-07-13 22:30 UTCEPSS rescore
  4. 2026-07-13 16:22 UTCMITRE cvelistV5CVSS v3 → 6.5 · severity → MEDIUM
  5. 2026-07-13 08:08 UTCNVD update
  6. 2026-07-13 06:34 UTCEG score recompute
  7. 2026-07-13 06:32 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-12274?
CVE-2026-12274 is a medium vulnerability published on July 13, 2026. 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…
When was CVE-2026-12274 disclosed?
CVE-2026-12274 was first published in the National Vulnerability Database on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12274 actively exploited?
CVE-2026-12274 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12274?
CVE-2026-12274 has a CVSS v3.1 base score of 6.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 0.0.
How do I remediate CVE-2026-12274?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12274, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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