Medium severity · published Sep 9, 2025
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
5.4
CVSS
1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PF
Pfsense · Pfsense
before 2.8.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-34177
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-34177
Patch
https://github.com/pfsense/FreeBSD-ports/commit/97852ccfd201b24ee542be30af81272485fde0b4
Issue Tracking
https://redmine.pfsense.org/issues/16414
Third Party Advisory
https://www.vulncheck.com/advisories/netgate-pf-sense-ce-suricata-stored-xss
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