Version 4.0.27

On September 4, 2019, WordPress 4.0.27 was released to the public.

Installation/Update Information

To download WordPress 4.0.27, update automatically from the Dashboard > Updates menu in your site’s admin area or visit the archive.

For step-by-step instructions on installing and updating WordPress:

• 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

From the WordPress 5.2.3 release post, WordPress versions 5.2 and earlier are affected by 7 security bugs. Additionally, #47020 (which was included in 5.2.1) has been backported to earlier branches.

List of Files Revised

/wp-admin/css/colors/blue/colors-rtl.css
/wp-admin/css/colors/blue/colors-rtl.min.css
/wp-admin/css/colors/blue/colors.css
/wp-admin/css/colors/blue/colors.min.css
/wp-admin/css/colors/coffee/colors-rtl.css
/wp-admin/css/colors/coffee/colors-rtl.min.css
/wp-admin/css/colors/coffee/colors.css
/wp-admin/css/colors/coffee/colors.min.css
/wp-admin/css/colors/ectoplasm/colors-rtl.css
/wp-admin/css/colors/ectoplasm/colors-rtl.min.css
/wp-admin/css/colors/ectoplasm/colors.css
/wp-admin/css/colors/ectoplasm/colors.min.css
/wp-admin/css/colors/midnight/colors-rtl.css
/wp-admin/css/colors/midnight/colors-rtl.min.css
/wp-admin/css/colors/midnight/colors.css
/wp-admin/css/colors/midnight/colors.min.css
/wp-admin/css/colors/ocean/colors-rtl.css
/wp-admin/css/colors/ocean/colors-rtl.min.css
/wp-admin/css/colors/ocean/colors.css
/wp-admin/css/colors/ocean/colors.min.css
/wp-admin/css/colors/sunrise/colors-rtl.css
/wp-admin/css/colors/sunrise/colors-rtl.min.css
/wp-admin/css/colors/sunrise/colors.css
/wp-admin/css/colors/sunrise/colors.min.css
/wp-admin/includes/ajax-actions.php
/wp-admin/about.php
/wp-admin/admin-ajax.php
/wp-includes/kses.php
/wp-includes/pluggable.php
/wp-includes/post-template.php
/wp-includes/version.php