On September 4, 2019, WordPress 3.9.28 was released to the public.
To download WordPress 3.9.28, 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:
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
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.
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