Wordpress 3.2 beta 2 and WordPress 3.1.3 is now available for download. WordPress 3.1.3 is a security update for all previous versions. What’s new in wordpress 3.1.3?
Various security hardening.
Taxonomy query hardening.
Prevent sniffing out user names of non-authors by using canonical redirects.
Media security fixes
Improves file upload security on hosts with dangerous security settings.
Cleans up old WordPress import files if the import does not finish.
Introduce “clickjacking” protection in modern browsers on admin and login pages
Download wordpress 3.1.3