Cross-site scripting (XSS) vulnerability in preview in the reviews section in PostNuke 0.764 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
http://www.securityfocus.com/bid/22119
http://www.hackers.ir/advisories/festival.txt
http://archives.neohapsis.com/archives/fulldisclosure/2007-01/0355.html