PT-2026-20833 · Comodo · Comodo Dome Firewall

Ozer Goker · Published 2026-02-19 · Updated 2026-02-19 · CVE-2019-25430

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Comodo Dome Firewall version 2.7.0

Description The software contains a reflected cross-site scripting issue that allows unauthenticated attackers to inject malicious scripts. Attackers can send POST requests to the /vpn users API endpoint with script payloads in the username parameter to execute arbitrary JavaScript in victim browsers.

Recommendations Apply input validation and sanitization to the username parameter in the /vpn users endpoint.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2019-25430

Affected Products

Comodo Dome Firewall

References · 7

• 🔥 https://exploit-db.com/exploits/46408 · Exploit
• https://osv.dev/vulnerability/CVE-2019-25430 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-25430 · Security Note
• https://t.me/CVEtracker/45120 · Telegram Post
• https://secure.comodo.com/home/purchase.php?pid=106&license=try&track=9278&af=9278 · Note
• https://vulncheck.com/advisories/comodo-dome-firewall-reflected-cross-site-scripting-via-vpnusers · Note
• https://cdome.comodo.com/firewall · Note