WordPress 3.1 before 3.1.3 and 3.2 before Beta 2 does not prevent rendering for (1) admin or (2) login pages inside a frame in a third-party HTML document, which makes it easier for remote attackers to conduct clickjacking attacks via a crafted web site.
https://exchange.xforce.ibmcloud.com/vulnerabilities/69172
http://www.securityfocus.com/bid/47995
http://www.debian.org/security/2012/dsa-2470