Output validation vulnerability in WooCommerce Product Add-ons 6.1.3

The WooCommerce Product Add-ons plugin for WordPress could allow attackers with shop manager permissions and higher to do malicious things on a website if they are able to exploit a vulnerability which was present in versions up to 6.1.3. This vulnerability could allow them to inject a malicious code which could potentially allow them to access sensitive data, delete files, or run code on the website. It is not known if the vulnerability can be exploited further through a different plugin or theme.