A new update was recently released by WordPress. This update is considered as a security update so it’s highly suggested to comply and apply this update to your website(s).
From the announcement post, WordPress versions 4.4.1 and earlier are affected by two security issues: a possible SSRF for certain local URIs, reported by Ronni Skansing; and an open redirection attack, reported by Shailesh Suthar.
In addition to the security issues above, WordPress 4.4.2 fixes 17 bugs from 4.4 and 4.4.1
List of Files Revised
wp-admin/includes/image.php wp-admin/js/inline-edit-tax.min.js wp-admin/js/inline-edit-tax.js wp-admin/widgets.php wp-admin/about.php wp-includes/ms-blogs.php wp-includes/class-wp-customize-manager.php wp-includes/js/wp-emoji-loader.js wp-includes/js/wp-emoji-loader.min.js wp-includes/random_compat/random.php wp-includes/formatting.php wp-includes/taxonomy.php wp-includes/comment-template.php wp-includes/load.php wp-includes/query.php wp-includes/kses.php wp-includes/http.php wp-includes/version.php wp-includes/class-wp-comment-query.php wp-includes/pluggable.php readme.html wordpress.org
