The Nested Pages WordPress plugin <= 3.1.15 was vulnerable to Cross-Site Request Forgery via the `npBulkAction`s and `npBulkEdit` `admin_post` actions, which allowed attackers to trash or permanently purge arbitrary posts as well as changing their status, reassigning their ownership, and editing other metadata.

The Nested Pages WordPress plugin <= 3.1.15 was vulnerable to an Open Redirect via the `page` POST parameter in the `npBulkActions`, `npBulkEdit`, `npListingSort`, and `npCategoryFilter` `admin_post` actions.

The Nested Pages WordPress plugin before 3.1.21 does not escape and sanitize the some of its settings, which could allow high privilege users to perform Stored Cross-Site Scripting attacks when the unfiltered_html is disallowed

The Nested Pages plugin for WordPress is vulnerable to unauthorized loss of data due to a missing capability check on the 'reset' function in versions up to, and including, 3.2.3. This makes it possible for authenticated attackers, with editor-level permissions and above, to reset plugin settings.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Kyle Phillips Nested Pages allows Stored XSS.This issue affects Nested Pages: from n/a through 3.2.6.

The Nested Pages plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.2.7. This is due to missing or incorrect nonce validation on the 'settingsPage' function and missing santization of the 'tab' parameter. This makes it possible for unauthenticated attackers to call local php files via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

The Nested Pages WordPress plugin before 3.2.9 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).