XSS in Netgate Pfsense Ce
CVE-2025-34177
In pfSense CE /suricata/suricata_flow_stream.php, the value of the policy_name parameter is not sanitized of HTML-related strings/characters before being directly displayed. This can result in stored cross-site scripting. The attacker must…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.008 (51.7th 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
- Netgate Pfsense Ce — versions 7.0.8_2
- Pfsense
Weakness classification (CWE)
Public proof-of-concept exploits
References
- disclosure@vulncheck.com (Patch, patch)
- disclosure@vulncheck.com (issue-tracking, Issue Tracking)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-34177?
- CVE-2025-34177 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-2025-34177?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2025-34177 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.