Comodo Dome Firewall Reflected Cross-Site Scripting Vulnerability

A reflected cross-site scripting vulnerability has been identified in Comodo Dome Firewall version 2.7.0. This vulnerability allows attackers to inject malicious scripts by sending crafted input to the snat endpoint. Exploitation involves submitting POST requests with JavaScript payloads in the port or snat_to_ip parameters, which are then executed in the context of the user's browser.

Impact

Exploitation of this vulnerability allows for reflected cross-site scripting, where injected scripts are executed in the user's browser.

Reproduction

To reproduce this vulnerability, send a POST request to the snat endpoint with a script payload in either the port or snat_to_ip parameter. The injected script will be executed in the browser of the user accessing the vulnerable Comodo Dome Firewall.