How severe is CVE-2025-50976?

CVE-2025-50976 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-50976 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-50976?

CVE-2025-50976 affects Ipfire. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-50976?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-50976 have an EU (EUVD) identifier?

Yes. CVE-2025-50976 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28379.

When was CVE-2025-50976 published?

CVE-2025-50976 was published on 2025-08-26 and last updated on 2026-06-17.

CVE-2025-50976

CVE-2025-50976 is a medium-severity vulnerability in Ipfire with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-28379
Weakness: CWE-79
Affected product: Ipfire
Published: 2025-08-26
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-50976?: CVE-2025-50976 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-50976 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-50976?: CVE-2025-50976 affects Ipfire. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-50976?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-50976 have an EU (EUVD) identifier?: Yes. CVE-2025-50976 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28379.
When was CVE-2025-50976 published?: CVE-2025-50976 was published on 2025-08-26 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:ipfire:ipfire:2.29:-:*:*:*:*:*:*

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