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.
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:
- The previous taxonomy-agnostic behavior of
- Switching themes will now attempt to restore previous widget assignments, even when there are no sidebars to map.
Users can click here to download WordPress 4.9.2 or go to Dashboard → Updates and click “Update Now.”