XSS in Ipfire

CVE-2019-25400

IPFire 2.21 Core Update 127 contains multiple reflected cross-site scripting vulnerabilities in the fwhosts.cgi script that allow attackers to inject malicious scripts through multiple parameters including HOSTNAME, IP, SUBNET, NETREMARK, HOSTREMARK, newhost, grp_name, remark, SRV_NAME, SRV_PORT, SRVGRP_NAME, SRVGRP_REMARK, and updatesrvgrp. Attackers can submit POST requests with script payloads in these parameters to execute arbitrary JavaScript in the context of authenticated users' browsers.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (11.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Ipfire — versions 2.21, IPFire 2.21 - Core Update 127

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-25400?
CVE-2019-25400 is a medium-severity vulnerability in Ipfire, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-02-18.
How severe is CVE-2019-25400?
Medium severity. CVSS v3 base score is 5.4 out of 10.