GZ Scripts GZ Forum Script preview.php cross site scripting

A vulnerability was found in GZ Scripts GZ Forum Script 1.8 and classified as problematic. Affected by this issue is some unknown functionality of the file /preview.php. The manipulation of the argument catid/topicid/topic/topic_message/free_name leads to cross site scripting. The attack may be launched remotely. The identifier of this vulnerability is VDB-233348. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.