Input validation vulnerability in nextgen-smooth-gallery 1.2

The NextGEN Smooth Gallery plugin for WordPress has a security vulnerability that could allow attackers to inject malicious code into webpages. This vulnerability exists in versions of the plugin up to and including 1.2. To exploit this vulnerability, an attacker must be able to successfully trick a user into clicking on a link or performing some other action. If they can do this, the malicious code they injected into the page could be executed.