CVE-2019-25430

Name: CVE-2019-25430
Creator: NVD / NIST
Published: 2026-02-19T13:16:18.327+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.1/10EPSS 0.37%

Last modified Jun 17, 2026

CVE-2019-25430 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. 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 vpn_users endpoint with script payloads in the username field to execute arbitrary JavaScript in victim browsers.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

Description

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 vpn_users endpoint with script payloads in the username field to execute arbitrary JavaScript in victim browsers.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS 4.0

5.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.37%

28.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Comodo	Dome Firewall	2.7.0

References

https://cdome.comodo.com/firewall/Product
https://secure.comodo.com/home/purchase.php?pid=106&license=try&track=9278&af=9278Not Applicable
https://www.exploit-db.com/exploits/46408Exploit, Third Party Advisory
https://www.vulncheck.com/advisories/comodo-dome-firewall-reflected-cross-site-scripting-via-vpnusersBroken Link

Timeline

Published: Feb 19, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2019-25430?

How severe is CVE-2019-25430?

CVE-2019-25430 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2019-25430?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-25430?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST