WordPress have today released update 4.2.2, a critical security release for your WordPress site, so you need to make sure to update as soon as possible. This is a fix for a number of security issues which have been discovered in version 4.2, so even if your site has been updated recently it is important that you apply this update also.
Here’s the official post from WordPress
All websites managed by Coppertops have been updated this morning.
In addition, we would repeat our recent recommendation to update all of your plugins and themes to ensure the security of your site.