Cross-site scripting (XSS) vulnerability in SloughFlash SF-Users 1.0, possibly in register.php, allows remote attackers to inject arbitrary web script or HTML by setting the username field to contain JavaScript in the SRC attribute of an IMG element.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26215
http://www.vupen.com/english/advisories/2006/1637
http://www.securityfocus.com/bid/17783
http://www.securityfocus.com/archive/1/432727/100/0/threaded