CVE-2026-86783

The Post Grid Gutenberg Blocks WordPress plugin (versions before 5.0.41 ) contains a vulnerability where it fails to perform proper authorization or post-visibility checks on a specific REST API route. This flaw allows unauthenticated users to disclose the custom field key names of arbitrary post...

WordPress Post Grid Gutenberg Blocks plugin < 5.0.41 - Unauthenticated Custom Field Key Disclosure vulnerability

Unauthenticated Custom Field Key Disclosure vulnerability discovered by Pedro Pinho in WordPress Plugin PostX versions 5.0.41...