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Vulnerability record · CVE-2025-50976 · published 26 August 2025

CVE-2025-50976: Ipfire cross-site scripting vulnerability

Ipfire · Ipfire

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.

6.1 CVSS 3.1 Medium EPSS 0.23% · top 87.7% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
0.23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/4rdr/proofs/blob/main/info/IPFire-2.29-Reflected-XSS-via-DNS.md ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-50976), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.