[ CVE-2026-86783 · Published 23 Sep 2026 ]
Vulnerability in Unknown Post Grid Gutenberg Blocks
CVSS 5.3
EPSS <1%No fix listed yet
[ Description ]Official description
The Post Grid Gutenberg Blocks WordPress plugin before 5.0.41 does not perform an authorization or post-visibility check on a REST API route that returns the custom field keys of a given post, allowing unauthenticated users to disclose the custom field key names of arbitrary posts, including private, draft, pending, scheduled and password-protected posts.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.