The GiveWP WordPress plugin before 4.19.0.1 does not properly sanitise and escape one of its donation form template settings before outputting it inside an HTML attribute, allowing users with a custom form-editing GiveWP WordPress plugin before 4.19.0.1 role to inject arbitrary web scripts that execute in the browser of any visitor or administrator who opens the affected donation form.
https://wpscan.com/vulnerability/59b1b0ff-fbfb-4bb8-883e-94b5f2cee5a4/