The Related Posts, Inline Related Posts, Contextual Related Posts, Related Content By PickPlugins plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.0.58 via the wp_ajax_nopriv_related_post_ajax_get_post_ids AJAX action. This makes it possible for unauthenticated attackers to extract sensitive data including titles of posts in draft status.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: