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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 dnsmasq endpoint. Attackers can send POST requests with script payloads in the TRANSPARENT_SOURCE_BYPASS or TRANSPARENT_DESTINATION_BYPASS parameters to execute arbitrary JavaScript in users' browsers.

PUBLISHED Reserved 2026-02-18 | Published 2026-02-19 | Updated 2026-02-19 | Assigner VulnCheck




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
MEDIUM: 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Problem types

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

2.7.0
affected

Credits

Ozer Goker finder

References

www.exploit-db.com/exploits/46408 (ExploitDB-46408) exploit

cdome.comodo.com/firewall/ (Comodo Dome Firewall Homepage) product

secure.comodo.com/...?pid=106&license=try&track=9278&af=9278 (Comodo Dome Firewall Purchase Page) product

www.vulncheck.com/...rewall-cross-site-scripting-via-dnsmasq (VulnCheck Advisory: Comodo Dome Firewall 2.7.0 Cross-Site Scripting via dnsmasq) third-party-advisory

cve.org (CVE-2019-25426)

nvd.nist.gov (CVE-2019-25426)

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