CVE-2025-50976

Name: CVE-2025-50976
Creator: NVD / NIST
Published: 2025-08-26T18:15:47.427+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2025-50976 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.21%

11.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Ipfire	Ipfire	2.29

References

https://github.com/4rdr/proofs/blob/main/info/IPFire-2.29-Reflected-XSS-via-DNS.mdExploit, Third Party Advisory

Timeline

Published: Aug 26, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-50976?

How severe is CVE-2025-50976?

CVE-2025-50976 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2025-50976?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-50976?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST