CVE-2025-34177: Netgate pfSense CE Suricata package v7.0.8_2 Stored Cross-Site Scripting

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-09-09 · updated 2026-07-14
Weakness: CWE-79

Description

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 be authenticated with at least "WebCfg - Services: suricata package" permissions.

Affected products

Netgate pfSense CE: before 2.8.0 — fixed in 2.8.0

How to fix

Upgrade to a fixed version: Netgate pfSense CE 2.8.0. Check the vendor advisory for mitigations.

References

https://github.com/pfsense/FreeBSD-ports/commit/97852ccfd201b24ee542be30af81272485fde0b4
https://redmine.pfsense.org/issues/16414
https://www.vulncheck.com/advisories/netgate-pf-sense-ce-suricata-stored-xss

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