Advanced Custom Fields (ACF®)

The Advanced Custom Fields (ACF) plugin for WordPress is vulnerable to Missing Authorization to Arbitrary Post/Page Disclosure in versions up to and including 6.7.0. This is due to AJAX field query endpoints accepting user-supplied filter parameters that override field-configured restrictions without proper authorization checks. This makes it possible for unauthenticated attackers with access to a frontend ACF form to enumerate and disclose information about draft/private posts, restricted post types, and other data that should be restricted by field configuration.

The Advanced Custom Fields (ACF®) plugin for WordPress is vulnerable to HTML Injection in all versions up to, and including, 6.4.2. This is due to the plugin nor properly neutralizing unsafe HTML. This makes it possible for authenticated attackers, with administrator-level access and above, to inject potentially malicious HTML.