9.0
Critical
CVE-2026-94267 The Advanced Custom Fields: Extended WordPress plugin before 0.9.2.8, Advanced Custom Fields: Extended PRO WordPress…
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 products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Advanced Custom Fields: Extended 0.9 | earliest → < 0.9.2.8 | 0.9.2.8 |
| Advanced Custom Fields: Extended PRO 0.9 | earliest → < 0.9.2.8 | 0.9.2.8 |
Other CVEs of Advanced Custom Fields: Extended
The 8 CVEs of Advanced Custom Fields: Extended →
CVE-2026-94263
The Advanced Custom Fields: Extended and Advanced Custom Fields: Extended PRO WordPress plugins from 0.9.2.4 to…
4.8
Medium
CVE-2026-94268
The Advanced Custom Fields: Extended WordPress plugin before 0.9.2.8, Advanced Custom Fields: Extended PRO WordPress…
8.1
High
CVE-2026-94264
The Advanced Custom Fields: Extended WordPress plugin before 0.9.2.8, Advanced Custom Fields: Extended PRO WordPress…
6.8
Medium
CVE-2026-94262
The Advanced Custom Fields: Extended WordPress plugin before 0.9.2.8, Advanced Custom Fields: Extended PRO WordPress…
8.1
High