WordPress 4.9.2 release, fix XSS bugs in MediaElement 4.x and more

On 16 January 2018,  the WordPress development team released WordPress 4.9.2. This update is for all versions of WordPress since version 3.7, and recommend that you should update your site to this version.

White House official website


An XSS vulnerability was discovered in the Flash fallback files in MediaElement, a library that is included with WordPress. Because the Flash files are no longer needed for most use cases, they have been removed from WordPress.

21 other bugs were fixed in WordPress 4.9.2. Particularly of note were:

  • JavaScript errors that prevented saving posts in Firefox have been fixed.
  • The previous taxonomy-agnostic behavior of get_category_link() and category_description() was restored.
  • Switching themes will now attempt to restore previous widget assignments, even when there are no sidebars to map.
  • More….

Users can click here to download WordPress 4.9.2 or go  to Dashboard → Updates and click “Update Now.”