CVE-2019-25427
Undergoing Analysis Undergoing Analysis - In Progress

Reflected XSS in Comodo Dome Firewall Antispyware Endpoint

Publication date: 2026-02-19

Last updated on: 2026-02-20

Assigner: VulnCheck

Description
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 antispyware endpoint. Attackers can send POST requests with JavaScript payloads in the DNSMASQ_WHITELIST or DNSMASQ_BLACKLIST parameters to execute arbitrary code in users' browsers.

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Meta Information

Published
2026-02-19
Last Modified
2026-02-20
Generated
2026-07-06
AI Q&A
2026-02-19
EPSS Evaluated
2026-07-05
NVD
CVE-2019-25427
EUVD
EUVD-2019-19648

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
comodo dome_firewall to 2.7.0 (inc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

CVE-2019-25427 is a reflected cross-site scripting (XSS) vulnerability in Comodo Dome Firewall version 2.7.0. It occurs because the firewall's antispyware endpoint improperly handles user input. Attackers can exploit this by sending specially crafted POST requests containing JavaScript payloads in the DNSMASQ_WHITELIST or DNSMASQ_BLACKLIST parameters. This allows the malicious script to be executed in the browsers of users who interact with the vulnerable endpoint.

Impact Analysis

This vulnerability can allow attackers to execute arbitrary JavaScript code in the browsers of users interacting with the affected firewall's antispyware endpoint. This can lead to unauthorized actions such as stealing session cookies, redirecting users to malicious sites, or performing actions on behalf of the user without their consent. Such impacts can compromise user security and privacy.

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