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 unauthenticated attackers to inject malicious scripts by submitting crafted input to the username parameter. Exploitation involves sending POST requests to the vpn_users endpoint with script payloads in the username field, which can then execute arbitrary JavaScript in the browsers of victims.

Impact

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

Reproduction

To reproduce this vulnerability, send a POST request to the vpn_users endpoint with a script payload injected into the username parameter. The injected script will be executed in the browser of the user accessing the Comodo Dome Firewall interface.