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 Inline Related Posts WordPress plugin before 3.8.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

The Inline Related Posts WordPress plugin before 3.7.0 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

Cross-Site Request Forgery (CSRF) vulnerability in Data443 Inline Related Posts.This issue affects Inline Related Posts: from n/a through 3.3.1.

The Inline Related Posts WordPress plugin before 3.6.0 is missing authorization in an AJAX action to ensure that users are allowed to see the content of the posts displayed, allowing any authenticated user, such as subscriber to retrieve the content of password protected posts

The Inline Related Posts WordPress plugin before 3.5.0 does not sanitise and escape some of its settings, which could allow high privilege users such as Admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed