WordPress 5.2.3 has been released and includes fixes for six vulnerabilities and 29 bugs or enhancements. As WordPress is a common target for threat actors looking to host their malicious campaigns, it is important that all WordPress users upgrade to the latest release as soon as possible. All of these vulnerabilities were discovered by third-party researchers as described below. You can download it and install manually or upgrade from within the WordPress Admin dashboard by clicking on Update and then click on Update Now as shown below.
Source: https://www.bleepingcomputer.com/news/security/wordpress-523-released-with-security-and-bug-fixes/