Cross-site scripting (XSS) vulnerability in Simple Machines Forum (SMF) 1.1.4 and earlier allows remote attackers to inject arbitrary web script or HTML via (1) Itemid or (2) topic arguments.
https://exchange.xforce.ibmcloud.com/vulnerabilities/39585
http://www.securityfocus.com/bid/27218
http://www.securityfocus.com/archive/1/486074/100/0/threaded