CVE-2019-25428
CWE-79Published: February 19, 2026· Updated: Feb 20, 2026
Official Description
Comodo Dome Firewall 2.7.0 contains multiple reflected cross-site scripting vulnerabilities in the openvpn_users endpoint that allow attackers to inject malicious scripts through POST parameters. Attackers can submit crafted POST requests with script payloads in the username, remotenets, explicitroutes, static_ip, custom_dns, or custom_domain parameters to execute arbitrary JavaScript in users' browsers.
Technical Analysis
CVE-2019-25428 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-25428 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts