XSS in Netgate Pfsense Ce

CVE-2025-34174

In pfSense CE /usr/local/www/status_traffic_totals.php, the value of the start-day parameter is not ensured to be a numeric value or sanitized of HTML-related characters/strings before being directly displayed in the input box. This value…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.098 (95.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-34174?
CVE-2025-34174 is a medium-severity vulnerability in Netgate Pfsense Ce, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-09-09.
How severe is CVE-2025-34174?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2025-34174 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.