SQL injection vulnerability in admin/auth.inc.php in Geeklog 1.4.0sr2 and earlier allows remote attackers to execute arbitrary SQL commands and bypass authentication via the loginname parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/26863
http://www.vupen.com/english/advisories/2006/2050
http://www.securityfocus.com/archive/1/435295/100/0/threaded