Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPWeb WooCommerce PDF Vouchers allows Reflected XSS.This issue affects WooCommerce PDF Vouchers: from n/a before 4.9.9.
Solution:
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.