Cross-site request forgery (CSRF) vulnerability in the cpass functionality in an admin action in index.php in XCMS allows remote attackers to change arbitrary passwords via certain password_ and rpassword_ parameters, possibly related to timestamp values.
https://exchange.xforce.ibmcloud.com/vulnerabilities/36755
http://www.securityfocus.com/bid/25771
http://www.securityfocus.com/archive/1/480326/100/0/threaded