Cross-site scripting (XSS) vulnerability in the FTP view feature in Mozilla 1.0 allows remote attackers to inject arbitrary web script or HTML via the title tag of an ftp URL.
http://www.iss.net/security_center/static/9757.php
http://bugzilla.mozilla.org/show_bug.cgi?id=154030
http://archives.neohapsis.com/archives/vulnwatch/2002-q3/0060.html