XSS in Netgate Pfsense Ce
CVE-2025-34178
In pfSense CE /suricata/suricata_app_parsers.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 be authenticated with at least "WebCfg - Services: suricata package" permissions.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.037 (89.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.037 · change: +0.000
Affected products
- Netgate Pfsense Ce — versions 7.0.8_2
- Pfsense
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/pfsense/FreeBSD-ports/commit/97852ccfd201b24ee542be30af81272485fde0b4 (Patch, patch)
- redmine.pfsense.org/issues/16414 (issue-tracking, Issue Tracking)
- www.vulncheck.com/advisories/netgate-pf-sense-ce-suricata-package-stored-xss (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-34178?
- CVE-2025-34178 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-2025-34178?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2025-34178 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.