PT-2026-20830 · Cdome+1 · Comodo Dome Firewall+1

Ozer Goker · Published 2026-02-19 · Updated 2026-02-19 · CVE-2019-25427

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 exists where attackers can inject malicious scripts by submitting crafted input to the 'antispyware' endpoint. By sending POST requests containing JavaScript payloads in the DNSMASQ WHITELIST or DNSMASQ BLACKLIST parameters, arbitrary code can be executed within the browsers of users.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict access to the 'antispyware' endpoint or avoid using the DNSMASQ WHITELIST and DNSMASQ BLACKLIST parameters until a patch is available.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2019-25427

Affected Products

Comodo Dome Firewall

Dome Firewall

References · 6

• 🔥 https://exploit-db.com/exploits/46408 · Exploit
• https://osv.dev/vulnerability/CVE-2019-25427 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-25427 · Security Note
• https://cdome.comodo.com/firewall · Note
• https://vulncheck.com/advisories/comodo-dome-firewall-reflected-cross-site-scripting-via-antispyware · Note
• https://secure.comodo.com/home/purchase.php?pid=106&license=try&track=9278&af=9278 · Note