Output validation vulnerability in WooCommerce 3.4.5

The WooCommerce plugin for WordPress is a popular e-commerce tool, but it has recently been discovered to have a security flaw in versions up to and including 3.4.4. This means that users with access to edit attributes could exploit a vulnerability known as PHP Object Injection. This could give them access to important data and cause other security issues. It is important for users of the plugin to make sure they are running the most up-to-date version to keep their website secure.