CVE-2019-25427
Reflected XSS in Comodo Dome Firewall Antispyware Endpoint
Publication date: 2026-02-19
Last updated on: 2026-02-20
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| comodo | dome_firewall | to 2.7.0 (inc) |
Helpful Resources
Exploitability
| 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. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability be detected on my network or system? Can you suggest some commands?
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What immediate steps should I take to mitigate this vulnerability?
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How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.