WordPress before 4.2.3 does not properly verify the edit_posts capability,...

Vulnerability Description

WordPress before 4.2.3 does not properly verify the edit_posts capability, which allows remote authenticated users to bypass intended access restrictions and create drafts by leveraging the Subscriber role, as demonstrated by a post-quickdraft-save action to wp-admin/post.php.

References

• http://www.debian.org/security/2015/dsa-3328
• http://codex.wordpress.org/Version_4.2.3
• https://core.trac.wordpress.org/changeset/33357
• http://www.securitytracker.com/id/1033037
• https://wordpress.org/news/2015/07/wordpress-4-2-3/
• http://www.securityfocus.com/bid/76011
• http://openwall.com/lists/oss-security/2015/07/23/18
• https://wpvulndb.com/vulnerabilities/8111