XSS in Comodo Dome Firewall

CVE-2019-25402

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

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (31.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-25402?
CVE-2019-25402 is a medium-severity vulnerability in Comodo Dome Firewall, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-02-19.
How severe is CVE-2019-25402?
Medium severity. CVSS v3 base score is 6.1 out of 10.