Version 4.5.4

On 7 Sept, 2016, WordPress 4.5.4 was released to the public.

Installation/Update Information

To download WordPress 4.5.4, 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:

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Summary

From the WordPress 4.6.1 release post: WordPress versions 4.6 and earlier are affected by two security issues: a cross-site scripting vulnerability via image filename, reported by SumOfPwn researcher Cengiz Han Sahin; and a path traversal vulnerability in the upgrade package uploader, reported by Dominik Schilling from the WordPress security team.

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List of Files Revised

wp-admin/about.php
wp-admin/includes/class-wp-upgrader.php
wp-admin/includes/media.php
wp-includes/version.php
readme.html