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CVE-2026-94267

CRITICAL 9.0 CVSS 3.1
Published
October 23, 2026
Last modified
October 23, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-94
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Description

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 perform any capability check when updating a post through one of its front-end form actions, allowing unauthenticated visitors to overwrite arbitrary posts, including the ones in which the site stores its own field definitions, which in turn leads to arbitrary code execution on the server. Exploitation requires the site to publish a form whose post-update action maps both its target and its content to visitor-submitted values.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Advanced Custom Fields: Extended — Before 0.9.2.8
  • Unknown Advanced Custom Fields: Extended PRO — Before 0.9.2.8

References

  • wpscan.com https://wpscan.com/vulnerability/9c8f45c1-cd85-4a9c-be77-88801d8143ce/
  • nvd.nist.gov Official NVD record