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CVE-2019-25398

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

Published: Feb 18, 2026Updated: Feb 26, 2026 Sources: CVE List NVDCWE-79
NVD MITRE
6.1CVSSMEDIUM
EPSS Score
0.2%
Top 85.0%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

ipfireipfire
On-prem
Networking Infrastructure / firewall
IPFireIpfire
On-prem
Networking Infrastructure / firewall
ipfireoss-projectDENetworking Infrastructure

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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MITRE ATT&CK

2 techniques
Execution
Initial Access
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References

https://downloads.ipfire.org/releases/ipfire-2.x/2.21-core127/ipfire-2.21.x86_64-full-core127.iso
downloads.ipfire.org
https://www.exploit-db.com/exploits/46344
exploit-db.com
https://www.ipfire.org
ipfire.org
and 1 more references View all →

Timeline

Published
Feb 18, 2026
Last Updated
Feb 26, 2026

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