Cross-site scripting (XSS) vulnerability in index.php in Nuked-klaN 1.7 allows remote attackers to inject arbitrary web script or HTML via the letter parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24387
http://www.vupen.com/english/advisories/2006/0387
http://www.securityfocus.com/bid/16424
http://www.securityfocus.com/archive/1/423454/100/0/threaded