The WordPress it is free and open code software to create websites, blogs or applications. It is written in PHP and MySQL. It is used as a Content Management System (CMS) and has a lot of features, including an architecture for additional functions, and a template system.
First released on May 27, 2003, by Matt Mullenweg as parchange of b2 / cafelog. As of August 2020, the version 5.5 has been downloaded more than 21,2 million times.
The developers of the web application released WordPress 5.5.2 as a security and maintenance update on October 29, 2020.
14 were fixed in this version errorthe, which are described in release notes. This update fixes a critical vulnerability που επιτρέπει σε έναν απομακρυσμένο εισβολέα να αναλάβει την διαχείριση μιας σελίδας μέσω μιας επίθεσης άρνησης υπηρεσίας (denial of service attack).
Therefore, you should update as soon as possible if your web application has not already been updated automatically.
On October 30, 2020, WordPress 5.5.3 was released as an update to bug fix.