useradmin.php in Easy Photo Gallery (aka Ezphotogallery) 2.1 does not require administrative authentication, which allows remote attackers to (1) add or (2) remove an Administrator account.
https://www.exploit-db.com/exploits/6437
https://exchange.xforce.ibmcloud.com/vulnerabilities/45119
http://www.securityfocus.com/bid/31161