Privilege escalation in Advanced Custom Fields: Extended
CVE-2026-80467
The Advanced Custom Fields: Extended WordPress plugin before 0.9.2.7 does not restrict the role submitted through its front-end user forms to the roles the form actually offers, and its safeguard against privileged roles is incomplete, allowing unauthenticated visitors to register an account with elevated capabilities and then escalate it to administrator.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (29.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- Advanced Custom Fields: Extended
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/929f243b-2f1c-4eca-88bc-03b1a86270ed/ (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-80467?
- CVE-2026-80467 is a high-severity vulnerability in Advanced Custom Fields: Extended, classified under Improper Privilege Management. CVSS score: 8.1/10. Published 2026-09-02.
- How severe is CVE-2026-80467?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2026-80467 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.