Cross-site scripting (XSS) vulnerability in the CookieDump.java sample application in Mort Bay Jetty 6.1.19 and 6.1.20 allows remote attackers to inject arbitrary web script or HTML via the Value parameter in a GET request to cookie/.
http://www.ush.it/team/ush/hack-jetty6x7x/jetty-adv.txt
http://www.securityfocus.com/archive/1/507013/100/0/threaded