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.
Advisories

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Fixes

Solution

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Workaround

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History

Thu, 19 Feb 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 19 Feb 2026 10:30:00 +0000

Type Values Removed Values Added
First Time appeared Ipfire
Ipfire ipfire
Vendors & Products Ipfire
Ipfire ipfire

Wed, 18 Feb 2026 21:30:00 +0000

Type Values Removed Values Added
Description 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.
Title IPFire 2.21 Core Update 127 Cross-Site Scripting via ovpnmain.cgi
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-19T14:43:29.706Z

Reserved: 2026-02-18T19:19:16.600Z

Link: CVE-2019-25398

cve-icon Vulnrichment

Updated: 2026-02-19T14:43:25.370Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-18T22:16:23.003

Modified: 2026-02-19T15:53:02.850

Link: CVE-2019-25398

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-19T10:11:12Z

Weaknesses