CVE-2019-25398CWE-79

IPFire 2.21 Core Update 127 Cross-Site Scripting via ovpnmain.cgi

Medium · published February 18, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
20.2
In the wild
Unconfirmed
What it is

IPFire 2.21 Core Update 127 contains multiple cross-site scripting vulnerabilities in the ovpnmain.cgi script that allow attackers to inject malicious scripts through VPN configuration parameters. Attackers can submit POST requests with script payloads in parameters like VPN_IP, DMTU, ccdname, ccdsubnet, DOVPN_SUBNET, DHCP_DOMAIN, DHCP_DNS, DHCP_WINS, ROUTES_PUSH, FRAGMENT, KEEPALIVE_1, and KEEPALIVE_2 to execute arbitrary JavaScript in administrator browsers.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
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
EPSS
0.00288 · 20.2th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-02-18T20:59Z
EPSS history
Timeline
  • 18 FEB 20:59Z
    IPFire 2.21 Core Update 127 Cross-Site Scripting via ovpnmain.cgi
    cvelistv5