Hosting Controller 6.1 Hot fix 3.3 and earlier allows remote attackers to obtain login access via a request to hosting/addreseller.asp with a username in the reseller parameter, followed by a request to AdminSettings/displays.asp with the DecideAction and ChangeSkin parameters.
https://www.exploit-db.com/exploits/4730
https://exchange.xforce.ibmcloud.com/vulnerabilities/39038
http://www.securityfocus.com/archive/1/485028/100/0/threaded
http://securitytracker.com/id?1019222