WPSchoolPress < 2.2.5 - Cross-Site Request Forgery

Description

The WPSchoolPress plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.2.4. This is due to missing nonce validation on several functions called via AJAX actions in the /lib/wpsp-ajaxworks.php file. This makes it possible for unauthenticated attackers to perform a multitude of actions on behalf of other students or teachers, via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.