WordPress Plugin Vulnerabilities

Advanced Custom Fields < 6.8.11 - Contributor+ Admin-Restricted Custom Field Update via Post Save Path

Description

The plugin does not re-apply its field-group location rules when persisting values submitted through the post editor save path, allowing users with contributor-level access and above to write custom fields the site restricted to administrators onto their own posts.

Proof of Concept

Affects Plugins

Fixed in 6.8.11

References

Classification

Type
ACCESS CONTROLS
CWE
CVSS

Miscellaneous

Original Researcher
vuxvinh
Submitter
vuxvinh
Verified
Yes

Timeline

Publicly Published
2026-11-04 (about 3 days ago)
Added
2026-11-04 (about 2 days ago)
Last Updated
2026-11-04 (about 2 days ago)

Other