Cross-site scripting vulnerability in Citrix NFuse 1.6 and earlier does not quote results from the getLastError method, which allows remote attackers to execute script in other clients via the NFuse_Application parameter to (1) launch.jsp or (2) launch.asp.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2002-0500
http://www.securityfocus.com/bid/4372
http://www.iss.net/security_center/static/8659.php
http://archives.neohapsis.com/archives/bugtraq/2002-03/0334.html