Homerunner <= 1.0.30 - Cross-Site Request Forgery to Settings Update

The Homerunner plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0.30. This is due to missing or incorrect nonce validation on the main_settings() function. This makes it possible for unauthenticated attackers to update plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.