XSS in Ipfire

CVE-2019-25396

IPFire 2.21 Core Update 127 contains a reflected cross-site scripting vulnerability in the updatexlrator.cgi script that allows attackers to inject malicious scripts through POST parameters. Attackers can submit crafted requests with script payloads in the MAX_DISK_USAGE or MAX_DOWNLOAD_RATE parameters to execute arbitrary JavaScript in users' browsers.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (15.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/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-2019-25396?
CVE-2019-25396 is a medium-severity vulnerability in Ipfire, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-02-18.
How severe is CVE-2019-25396?
Medium severity. CVSS v3 base score is 6.1 out of 10.