Cross-site scripting vulnerability in PHPWiki Postnuke wiki module allows remote attackers to execute script as other PHPWiki users via the pagename parameter.
http://www.securityfocus.com/bid/5254
http://www.iss.net/security_center/static/9627.php
http://archives.neohapsis.com/archives/bugtraq/2002-07/0190.html