CVE-2021-4451 | nintechnet NinjaFirewall Plugin up to 4.3.3 on WordPress Phar deserialization

A vulnerability was found in nintechnet NinjaFirewall Plugin up to 4.3.3 on WordPress. It has been declared as problematic. This vulnerability affects unknown code of the component Phar Handler. The manipulation leads to deserialization.

This vulnerability was named CVE-2021-4451. The attack can be initiated remotely. There is no exploit available.

It is recommended to upgrade the affected component.