CVE-2019-25423 Comodo Dome Firewall 2.7.0 Cross-Site Scripting via proxyconfig

Medium 5.1 Published 19 Feb 2026 Updated 24 May 2026

Attackers can inject malicious scripts into the firewall's proxy configuration page, potentially compromising administrator sessions and control.

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-2019-25423?

CVE-2019-25423 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 multiple reflected cross-site scripting vulnerabilities in the /korugan/proxyconfig endpoint that allow attackers to inject malicious scripts through POST parameters. Attackers can submit crafted POST requests with JavaScript payloads in parameters like PROXY_PORT, VISIBLE_HOSTNAME, ADMIN_MAIL_ADDRESS, CACHE_MEM, MAX_SIZE, MIN_SIZE, and DST_NOCACHE to execute arbitrary scripts in administrator browsers.

Weakness: CWE-79

Which versions are affected by CVE-2019-25423?

It affects 1 product.

Products include Comodo Dome Firewall.

How do I fix CVE-2019-25423?

No fix has been published for CVE-2019-25423 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-2019-25423 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25423 exists.

Sources

Also known as GHSA-qx2f-v62g-3w7p.