On 2 February, 2016, WordPress 3.7.13 was released to the public.
To download WordPress 3.7.13, 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:
From the announcement post, WordPress ersions 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.
wp-admin/about.php wp-includes/version.php wp-includes/http.php wp-includes/pluggable.php readme.html