WordPress 4.4.1 is now available for download/install. This update contains security updates for all previous updates and you are strongly encouraged to update your site(s) immediately.

WordPress versions 4.4 and earlier are affected by a cross-site scripting vulnerability that could allow a site to be compromised.

Along with the security updates, WordPress 4.4.1 fixes 52 bugs from 4.4 (see release changes).