medium5.3
CVE-2026-86783
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 c…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| Post Grid Gutenberg Blocks WordPress Plugin | before 5.0.41 |
Versions were read from the advisory text. No structured product data has been published for this record yet.