PT-2025-34800 · Ipfire · Ipfire

4Rdr · CVE-2025-50976 · Published 2025-08-26 · Updated 2025-08-26

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: IPFire version 2.29

Description: The DNS management interface (dns.cgi) in IPFire fails to properly sanitize user-supplied input in the NAMESERVER, REMARK, and TLS HOSTNAME query parameters. This results in a reflected cross-site scripting (XSS) issue.

Recommendations: Ensure proper input validation and sanitization are implemented for the NAMESERVER, REMARK, and TLS HOSTNAME query parameters in the dns.cgi interface.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-50976

Affected Products

Ipfire

References · 7

• 🔥 https://github.com/4rdr/proofs/blob/main/info/IPFire-2.29-Reflected-XSS-via-DNS.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-50976 · Security Note
• https://osv.dev/vulnerability/CVE-2025-50976 · Vendor Advisory
• https://twitter.com/CVEnew/status/1960398030600876370 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1960427543741296736 · Twitter Post
• https://t.me/cveNotify/133543 · Telegram Post
• https://t.me/CVEtracker/30952 · Telegram Post