Total.js CMS Layout admin layouts_save cross site scripting

A vulnerability was found in Total.js CMS 1.0.0. Affected by this vulnerability is the function layouts_save of the file /admin/ of the component Layout Page. Performing manipulation of the argument HTML results in cross site scripting. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.