Very Simple Breadcrumb <= 1.0 - Admin+ Stored Cross-Site Scripting

The plugin does not sanitise and escape its settings, allowing high privilege users such as admin to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Put the following payload in the "Breadcrumb css class name" settings of the plugin: "><script>alert(/XSS/)</script>