CVE-2012-5868 Information

Description

WordPress 3.4.2 does not invalidate a wordpress_sec session cookie upon an administrator’s logout action which makes it easier for remote attackers to discover valid session identifiers via a brute-force attack or modify data via a replay attack.

Reference

http://whiteoaksecurity.com/blog/2012/12/17/cve-2012-5868-wordpress-342-sessions-not-terminated-upon-explicit-user-logout