CVE-2025-34172

CVE-2025-34172 is a medium-severity vulnerability in Pfsense 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

Description

In pfSense CE /usr/local/www/haproxy/haproxy_stats.php, the value of the showsticktablecontent parameter is displayed after being read from HTTP GET requests. This can enable reflected cross-site scripting when the victim is authenticated.

Frequently asked questions

What is CVE-2025-34172?
In pfSense CE /usr/local/www/haproxy/haproxy_stats.php, the value of the showsticktablecontent parameter is displayed after being read from HTTP GET requests. This can enable reflected cross-site scripting when the victim is authenticated.
How severe is CVE-2025-34172?
CVE-2025-34172 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-2025-34172 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-34172?
CVE-2025-34172 affects Pfsense. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-34172?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-34172 have an EU (EUVD) identifier?
Yes. CVE-2025-34172 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27480.
When was CVE-2025-34172 published?
CVE-2025-34172 was published on 2025-09-09 and last updated on 2026-06-17.

References

Affected products (1)

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