Privilege escalation in Advanced Custom Fields: Extended

CVE-2026-94268

The Advanced Custom Fields: Extended WordPress plugin before 0.9.2.8, Advanced Custom Fields: Extended PRO WordPress plugin before 0.9.2.8 does not resolve the target of the update-user action in its front-end Forms module consistently between the stage that authorises the request and the stage that carries it out, which allows unauthenticated visitors to bypass the guard protecting administrator accounts, take over the site administrator's account and be issued a valid session for it. Exploitation requires the site to publish two separate front-end form configurations whose targets are mapped to visitor-submitted values.

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

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • Advanced Custom Fields: Extended
  • Advanced Custom Fields: Extended Pro

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-94268?
CVE-2026-94268 is a high-severity vulnerability in Advanced Custom Fields: Extended, classified under Improper Privilege Management. CVSS score: 8.1/10. Published 2026-10-23.
How severe is CVE-2026-94268?
High severity. CVSS v3 base score is 8.1 out of 10.