Software Update: WordPress 4.9.1

Version 4.9.1 of WordPress has been released. With this program, which is made available under a GPL, it is possible to set up and maintain a website or blog. WordPress is easy to set up and can be up and running within five minutes if a server with PHP and MySQL is already available. There are possibilities to further extend the functionality of WordPress with plugins and the look with themes to adjust. The most important improvements that have been made in this release are listed below for you.

WordPress 4.9.1 Security and Maintenance Release
WordPress 4.9.1 is now available. This is a security and maintenance release for all versions since WordPress 3.7. We strongly encourage you to update your sites immediately. WordPress versions 4.9 and earlier are affected by four security issues which could potentially be exploited as part of a multi-vector attack. As part of the core team’s ongoing commitment to security hardening, the following fixes have been implemented in 4.9.1:

• Use a properly generated hash for the newblogger key instead of a determinate substring.
• Add escaping to the language attributes used on html elements.
• Ensure the attributes of enclosures are correctly escaped in RSS and Atom feeds.
• Remove the ability to upload JavaScript files for users who do not have the unfiltered_html capability.

Eleven other bugs were fixed in WordPress 4.9.1. Particularly or note were:

• Issues relating to the caching of theme template files.
• A MediaElement JavaScript error preventing users of certain languages ​​from being able to upload media files.
• The inability to edit theme and plugin files on Windows based servers.

This post has more information about all of the issues fixed in 4.9.1 if you’d like to learn more.