On 6 January, 2016, WordPress 3.9.10 was released to the public.
Installation/Update Information
To download WordPress 3.9.10, update automatically from the Dashboard > Updates menu in your site’s admin area or visit https://wordpress.org/download/release-archive/.
For step-by-step instructions on installing and updating WordPress:
If you are new to WordPress, we recommend that you begin with the following:
- New To WordPress – Where to Start
- First Steps With WordPress or Upgrading WordPress Extended
- WordPress Lessons
Summary
WordPress versions 4.4 and earlier are affected by a cross-site scripting vulnerability that could allow a site to be compromised. This was reported by Crtc4L.
List of Files Revised
/wp-content/plugins
/readme.html
/wp-admin/about.php
/wp-includes/version.php
/wp-includes/update.php
/wp-includes/class-wp-theme.php