CVE-2026-78849

Published Sep 4, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
Cross Site Scripting vulnerability in Netgate pfSense Plus software versions <= 26.03 pfSense CE software versions <= 2.8.1 allows a remote attacker to execute arbitrary code via the captive_portal_status.widget.php file

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
Title Cross‑Site Scripting in pfSense Captive Portal Status Widget Enables Remote Code Execution
Type Values Removed Values Added
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}

ssvc

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

Type Values Removed Values Added
First Time appeared Netgate
Netgate pfsense
Vendors & Products Netgate
Netgate pfsense
Type Values Removed Values Added
Title Cross‑Site Scripting in pfSense Captive Portal Status Widget Enables Remote Code Execution
Weaknesses CWE-79
Type Values Removed Values Added
Description Cross Site Scripting vulnerability in Netgate pfSense Plus software versions <= 26.03 pfSense CE software versions <= 2.8.1 allows a remote attacker to execute arbitrary code via the captive_portal_status.widget.php file
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 14, 2026, 1:14 PM
Reserved
Aug 25, 2026, 12:00 AM
Status
Deferred
Published
Sep 4, 2026, 5:16 PM
Modified
Sep 14, 2026, 2:17 PM