Description
WordPress has release updates to address vulnerabilities in WordPress 5.3 and prior versions. It is recommended that you take the necessary precautions by ensuring your products are always updated.
For more information on the updates you can follow this url:
https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/
The Guyana National CIRT recommends users and administration to follow these guidelines and to apply them where necessary.
Reference
WordPress Releases Security and Maintenance Updates (US-Cert)