Do it quick before the hacker. Upgrade your WordPress as soon as you can, but you need to make sure it won't break your existing plug-ins or themes.
Better try the upgrade on your sanbox first if your production site can't be down for business. Contact us if you need our professional help.
Maintenance and Security Releases
Version 3.3.2 addressed some security issues and fixed 12 bugs. For more information, see the release notes.
Version 3.3.1 addressed a security issue and fixed 15 bugs. For more information, see the release notes.