Input validation vulnerability in Fatal Error Notify 1.5.2

The Fatal Error Notify plugin for WordPress has a security issue that affects all versions up to and including 1.5.2. This is because the plugin does not properly check for a special code called a “nonce” when using the test_error function. This means that someone who is not logged in can trick the website administrator into sending test error emails by making a fake request. This can happen if the administrator clicks on a link that was sent by the attacker.