CVE-2019-25426: Comodo Dome Firewall 2.7.0 Cross-Site Scripting via dnsmasq

Published Feb 19, 2026
·
Updated

Comodo Dome Firewall 2.7.0 contains a reflected cross-site scripting vulnerability that allows attackers to inject malicious scripts by submitting crafted input to the dnsmasq endpoint. Attackers can send POST requests with script payloads in the TRANSPARENTSOURCEBYPASS or TRANSPARENTDESTINATIONBYPASS parameters to execute arbitrary JavaScript in users' browsers.

Affected Software

2 affected components
Comodo Dome Firewall
Comodo Dome Firewall<=2.7.0

Event History

Feb 19, 2026
CVE Published
via MITRE·12:02 PM
Data Sourced
via MITRE·12:02 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·01:16 PM
DescriptionSeverityWeaknessAffected Software
Dec 8, 58362
Event
via NVD·12:16 AM
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Frequently Asked Questions

1

What is the severity of CVE-2019-25426?

CVE-2019-25426 is classified as a medium severity vulnerability due to the potential for reflected cross-site scripting attacks.

2

How do I fix CVE-2019-25426?

To mitigate CVE-2019-25426, update Comodo Dome Firewall to the latest version that addresses this reflected cross-site scripting vulnerability.

3

What impact does CVE-2019-25426 have on users?

CVE-2019-25426 allows attackers to execute malicious scripts in the context of the user's browser, potentially compromising user data.

4

Is CVE-2019-25426 remotely exploitable?

Yes, CVE-2019-25426 can be exploited remotely by sending crafted POST requests to the affected dnsmasq endpoint.

5

Who is affected by CVE-2019-25426?

Any user or organization utilizing Comodo Dome Firewall version 2.7.0 is impacted by CVE-2019-25426.

Contact

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