A security update has been released for WordPress version 4.4 and earlier — the company recommends webmasters update their sites immediately.
WordPress version 4.4.1 is a security and maintenance release which fixes a flaw that could allow a site to be compromised by a cross-site scripting vulnerability. A cross-site scripting vulnerability is a type of code injection where malicious content can pass from one site to another through bypassing the same-origin policy.
In order to not leave yourself at risk to this newly reported vulnerability, head to your WordPress dashboard and ensure it has been updated to the latest version, 4.4.1.
In addition to the security update, there were a few maintenance updates — the highlight of which is the inclusion of diverse emoji sets. An issue was also where, if the URL of a post was ever re-used, it could redirect to the wrong post.
Altogether, WordPress 4.4.1 fixes 52 bugs that have been found since the release of version 4.4. For more details, a full list of changes can be found in the release notes.
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