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CVE-2026-38961 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

Cross-Site Scripting (XSS) vulnerability in the RSS Widget of Netgate pfSense Plus (versions 26.03, 25.11.1) and pfSense CE (version 2.8.1) allows remote authenticated attackers to inject arbitrary JavaScript via malicious content in an RSS feed title. The injected script executes in the browser of any authenticated user who views the dashboard, due to insufficient sanitization of feed title data before rendering in the widget.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CNA: CISA-ADPCVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://docs.netgate.com/downloads/pfSense-SA-26_04.webgui.asc	[email protected]	AdvisoryRemedyVendor
https://github.com/pfsense/pfsense/commit/9363ac5b8651a1c7a333180425ce7719070f95f9	[email protected]	Source CodeVendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	CISA-ADP

Affected Products

Product	Versions
Netgate pfSense Plus	<= 26.03
CPE cpe:2.3:a:netgate:pfsense_plus:::::::: Remediation Upgrade: 26.07moderate effort Patch:moderate efforthttps://docs.netgate.com/pfsense/en/latest/development/system-patches.html Workaround:low effort Remove any untrusted feeds from the RSS widget. Workaround:low effort Remove the RSS feed widget from the dashboard.
Netgate pfSense CE	<= 2.8.1 (semver)
CPE cpe:2.3:a:netgate:pfsense:::::::: Remediation Upgrade: 2.9.0moderate effort Patch:moderate efforthttps://docs.netgate.com/pfsense/en/latest/development/system-patches.html Workaround:low effort Remove any untrusted feeds from the RSS widget. Workaround:low effort Remove the RSS feed widget from the dashboard.

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 9, 2026	CVE Modified	CISA-ADP
Sep 4, 2026	New CVE Received	[email protected]