Insert Html Snippet <= 1.2 - Cross-Site Request Forgery to Stored Cross-Site Scripting

The Cross-Site Scripting plugin for WordPress is vulnerable to Cross-Site Scripting in versions up to, and including, 1.2. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The perform this attack via forged request granted they can trick a site administrator into performing an action such as clicking on a link.