CVE-2012-4421 Information

Description

The create_post function in wp-includes/class-wp-atom-server.php in WordPress before 3.4.2 does not perform a capability check which allows remote authenticated users to bypass intended access restrictions and publish new posts by leveraging the Contributor role and using the Atom Publishing Protocol (aka AtomPub) feature.

Reference

http://codex.wordpress.org/Version_3.4.2 http://core.trac.wordpress.org/changeset?old_path=2Ftags2F3.4.1&old=21780&new_path=2Ftags2F3.4.2&new=21780file2 http://openwall.com/lists/oss-security/2012/09/13/4