Input validation vulnerability in URL Shortener Plugin For WordPress 3.0.7

The WordPress plugin called URL Shortener has a security issue in versions up to 3.0.7. This means that someone who is not logged in can inject a harmful code into the plugin. There is no known way for the attacker to do this, but if they have installed another plugin or theme on the website, they could potentially access and manipulate files, gather private information, or run their own code.