admin/login.php in BilboBlog 0.2.1, when register_globals is enabled, allows remote attackers to bypass authentication and obtain administrative access via a direct request that sets the login, admin_login, password, and admin_passwd parameters.
https://www.exploit-db.com/exploits/6073
https://exchange.xforce.ibmcloud.com/vulnerabilities/43762
http://www.securityfocus.com/bid/30225