What is CVE-2025-50976?

CVE-2025-50976 is a medium-severity vulnerability in Ipfire, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-08-26.

How severe is CVE-2025-50976?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2025-50976 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Ipfire

CVE-2025-50976

IPFire 2.29 DNS management interface (dns.cgi) fails to properly sanitize user-supplied input in the NAMESERVER, REMARK, and TLS_HOSTNAME query parameters, resulting in a reflected cross-site scripting (XSS) vulnerability.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (13.8th 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 2.29
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-50976?: CVE-2025-50976 is a medium-severity vulnerability in Ipfire, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-08-26.
How severe is CVE-2025-50976?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2025-50976 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.