WordPress.org

Codex

Attention Interested in functions, hooks, classes, or methods? Check out the new WordPress Code Reference!

Version 4.3.3

On 2 February, 2016, WordPress 4.3.3 was released to the public.

See also: other WordPress Versions.

Installation/Update Information

To download WordPress 4.3.3, 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:


Summary

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.

List of Files Revised

wp-admin/about.php
wp-includes/version.php
wp-includes/http.php
wp-includes/pluggable.php
readme.html