CVE-2026-78902

Cross Site Scripting in pfSense pfBlockerNG Allows Remote Code Execution

Published Sep 25, 2026 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
Cross Site Scripting vulnerability in Netgate pfSense 26.03.1-RELEASE allows an attacker to execute arbitrary code via the pfBlockerNG package

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Netgate
Netgate pfblockerng
Vendors & Products Netgate
Netgate pfblockerng
Type Values Removed Values Added
Title Cross Site Scripting in pfSense pfBlockerNG Allows Remote Code Execution
Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

Type Values Removed Values Added
Description Cross Site Scripting vulnerability in Netgate pfSense 26.03.1-RELEASE allows an attacker to execute arbitrary code via the pfBlockerNG package
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 25, 2026, 4:48 PM
Reserved
Aug 25, 2026, 12:00 AM
Status
Awaiting Analysis
Published
Sep 25, 2026, 1:17 PM
Modified
Sep 30, 2026, 5:23 PM