wp-login.php in WordPress 2.0.5 and earlier displays different error messages if a user exists or not, which allows remote attackers to obtain sensitive information and facilitates brute force attacks.Referenceshttp://osvdb.org/31577http://secunia.com/advisories/23621https://exchange.xforce.ibmcloud.com/vulnerabilities/31262http://secunia.com/advisories/23741http://security.gentoo.org/glsa/glsa-200701-10.xmlhttp://www.vupen.com/english/advisories/2007/0062http://www.securityfocus.com/archive/1/455927/100/0/threadedhttp://securityreason.com/securityalert/2113