Cross-site scripting (XSS) vulnerability in accountlogon.cfm in classifiedZONE 1.2 and earlier allows remote attackers to inject arbitrary web script or HTML via the rtn parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/25494
http://www.vupen.com/english/advisories/2006/1132
http://secunia.com/advisories/19427
http://pridels0.blogspot.com/2006/03/classifiedzone-v12-xss-vuln.html