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Opnsense Firewall

1 CVEs product

Monthly

CVE-2026-115425 Oct 26, 08:10 MEDIUM This Month

Stored and reflected cross-site scripting in OPNsense Firewall 26.7.1_1 and earlier lets an authenticated low-privileged GUI user execute JavaScript in another user's browser, including a root user's session, when the victim views the Dashboard, Interfaces → Overview, or submits a crafted Firewall → Log Files → Live View search. The stored variant requires write access to the Interfaces → Assignments Description field, while the reflected variant requires the victim to interact with the Live View search; both require valid GUI credentials and victim interaction. The issue is rated CVSS 5.6, no KEV status was provided, and a public PoC reference exists but is not verified as working exploit code.

XSS Opnsense Opnsense Firewall
NVD GitHub VulDB
CVSS 4.0
5.6
EPSS
0.3%
EPSS 0% CVSS 5.6
MEDIUM This Month

Stored and reflected cross-site scripting in OPNsense Firewall 26.7.1_1 and earlier lets an authenticated low-privileged GUI user execute JavaScript in another user's browser, including a root user's session, when the victim views the Dashboard, Interfaces → Overview, or submits a crafted Firewall → Log Files → Live View search. The stored variant requires write access to the Interfaces → Assignments Description field, while the reflected variant requires the victim to interact with the Live View search; both require valid GUI credentials and victim interaction. The issue is rated CVSS 5.6, no KEV status was provided, and a public PoC reference exists but is not verified as working exploit code.

XSS Opnsense Opnsense Firewall
NVD GitHub VulDB

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