CVE-2019-25398 - CVE House
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Status published Medium CVE-2019-25398

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

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Ozer Goker

References

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CVE-2019-25400
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CVE-2019-25399
IPFire 2.21 Core Update 127 Stored XSS via extrahd.cgi
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CVE-2019-25397
IPFire 2.21 Core Update 127 Cross-Site Scripting via hosts.cgi
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CVE-2019-25396
IPFire 2.21 Core Update 127 Reflected XSS via updatexlrator.cgi
Medium 5.1

Affected Vendor

Affected Software

IPFire
Vulnerable Versions:
IPFire 2.21 - Core Update 127

Timeline

Official Publish: February 18th, 2026
Last Modified: May 24th, 2026
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1059.007 JavaScript
Execution
T1539 Steal Web Session Cookie
Collection
T1213 Data from Information Repositories
Collection
T1567 Exfiltration Over Web Service
Exfiltration
T1491.001 Defacement
Impact