CVE-2019-25398 MEDIUM

CVE-2019-25398: IPFire 2.21 Core Update 127 Cross-Site Scripting via ovpnmain.cgi

Vendor Ipfire
Product IPFire
Weakness CWE-79 · XSS
Published February 18, 2026
Last update May 24, 2026

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 18, 2026 CVE published
May 24, 2026 Record updated

Related vulnerabilities

04Related CVE