CVE-2025-34177

5.1 mediumEPSS 1.0%

Medium (5.1) in pfsense pfsense. EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.1 medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2025-09-09
Modified: 2026-07-14
Record from: the NVD, synced 2026-10-19

Affected

pfsense:pfsense

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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