CVE-2019-25422 Comodo Dome Firewall 2.7.0 Cross-Site Scripting via vpnfw

Medium 5.3 Published 19 Feb 2026 Updated 2 Mar 2026

Attackers can inject malicious scripts via the vpnfw endpoint to execute arbitrary JavaScript in administrator browsers, potentially leading to account takeover.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2019-25422?

CVE-2019-25422 is a medium-severity cross-site scripting vulnerability in Comodo Dome Firewall, published on 19 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Comodo Dome Firewall 2.7.0 contains cross-site scripting vulnerabilities that allow attackers to inject malicious scripts through the vpnfw endpoint. Attackers can submit POST requests with script payloads in the target parameter for reflected XSS or the remark parameter for stored XSS to execute arbitrary JavaScript in administrator browsers.

Weakness: CWE-79

Which versions are affected by CVE-2019-25422?

It affects 1 product.

Products include Comodo Dome Firewall.

How do I fix CVE-2019-25422?

No fix has been published for CVE-2019-25422 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2019-25422 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25422 exists.

Sources

Also known as GHSA-cc7m-45cp-7f4q.