CVE-2026-94267 Advanced Custom Fields: Extended < 0.9.2.8 - Unauthenticated RCE via Front-End Post Update Action
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-94267?
CVE-2026-94267 is a critical vulnerability in Unknown Advanced Custom Fields: Extended, published on 23 Oct 2026.
Official 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.
Weakness: CWE-94
Which versions are affected by CVE-2026-94267?
How do I fix CVE-2026-94267?
No fix has been published for CVE-2026-94267 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-94267 being exploited?
There is no known exploitation of CVE-2026-94267 in the wild and no public exploit code.
Sources
Also known as GHSA-69cf-82p8-9425.