PT-2026-20829 · Cdome+1 · Comodo Dome Firewall+1

Ozer Goker · Published 2026-02-19 · Updated 2026-02-19 · CVE-2019-25426

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 A reflected cross-site scripting issue allows attackers to inject malicious scripts by submitting crafted input to the 'dnsmasq' endpoint. By sending POST requests containing script payloads in the TRANSPARENT SOURCE BYPASS or TRANSPARENT DESTINATION BYPASS parameters, an attacker can execute arbitrary JavaScript in the browsers of users.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2019-25426

Affected Products

Comodo Dome Firewall

Dome Firewall

References · 6

• 🔥 https://exploit-db.com/exploits/46408 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-25426 · Security Note
• https://osv.dev/vulnerability/CVE-2019-25426 · Vendor Advisory
• https://vulncheck.com/advisories/comodo-dome-firewall-cross-site-scripting-via-dnsmasq · Note
• https://cdome.comodo.com/firewall · Note
• https://secure.comodo.com/home/purchase.php?pid=106&license=try&track=9278&af=9278 · Note