Cross-site scripting (XSS) vulnerability in Sources/Register.php in Simple Machine Forum (SMF) 1.0.6 allows remote attackers to inject arbitrary web script or HTML via the X-Forwarded-For HTTP header field.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24915
http://www.vupen.com/english/advisories/2006/0726
http://www.simplemachines.org/community/index.php?topic=78841.0
http://www.securityfocus.com/bid/16841
http://www.securityfocus.com/archive/1/426824/100/0/threaded
http://securityreason.com/securityalert/545
http://secunia.com/advisories/19004