CVE-2025-50976
IPFire 2 DNS Management Interface Reflected Cross-Site Scripting Vulnerability
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.
INFO
Published Date :
Aug. 26, 2025, 6:15 p.m.
Last Modified :
Sept. 9, 2025, 6:55 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Sanitize user input for NAMESERVER, REMARK, and TLS_HOSTNAME.
- Implement output encoding for displayed user data.
- Update to the latest secure version of IPFire.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-50976.
| URL | Resource |
|---|---|
| https://github.com/4rdr/proofs/blob/main/info/IPFire-2.29-Reflected-XSS-via-DNS.md | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-50976 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-50976
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-50976 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-50976 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Sep. 09, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:ipfire:ipfire:2.29:-:*:*:*:*:*:* Added Reference Type MITRE: https://github.com/4rdr/proofs/blob/main/info/IPFire-2.29-Reflected-XSS-via-DNS.md Types: Exploit, Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 27, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Added CWE CWE-79 -
New CVE Received by [email protected]
Aug. 26, 2025
Action Type Old Value New Value Added 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. Added Reference https://github.com/4rdr/proofs/blob/main/info/IPFire-2.29-Reflected-XSS-via-DNS.md