profile.php in FunkBoard CF0.71 allows remote attackers to change arbitrary passwords via a modified uid hidden form field in an Edit Profile action.
https://www.exploit-db.com/exploits/1875
https://exchange.xforce.ibmcloud.com/vulnerabilities/26912
http://www.vupen.com/english/advisories/2006/2158
http://www.securityfocus.com/archive/1/435987/100/0/threaded
http://www.funkboard.co.uk/forum/thread.php?id=302