Cross-site scripting (XSS) vulnerability in Ikonboard 3.1.1 allows remote attackers to inject arbitrary web script or HTML via (1) a javascript: URL in a photo URL or (2) an X-Forwarded-For: header.
https://exchange.xforce.ibmcloud.com/vulnerabilities/10799
http://www.securityfocus.com/bid/6343
http://www.securityfocus.com/bid/6342
http://www.iss.net/security_center/static/10797.php
http://archives.neohapsis.com/archives/bugtraq/2002-12/0073.html