CVE-2026-115425

Multiple cross-site scripting (XSS) in OPNsense

Published Oct 26, 2026 CVSS 4.0 · 5.6 Medium EPSS < 1% KEV · Not listed
Description
Multiple cross site scripting (XSS) vulnerabilities affect OPNsense firewall vesrion 26.7.1_1 and earlier allows low privileged attacker to execute Javascript in the context of another user visiting a specific page or clicking on a specifically crafted link.

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
First Time appeared Opnsense
Opnsense opnsense Firewall
Vendors & Products Opnsense
Opnsense opnsense Firewall
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-79
Type Values Removed Values Added
Description Multiple cross site scripting (XSS) vulnerabilities affect OPNsense firewall vesrion 26.7.1_1 and earlier allows low privileged attacker to execute Javascript in the context of another user visiting a specific page or clicking on a specifically crafted link.
Title Multiple cross-site scripting (XSS) in OPNsense
References
Metrics cvssV4_0

{'score': 5.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:P/S:P/AU:Y/R:I/V:C/RE:M/U:Amber'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
NCSC.ch
Published
Updated
Oct 26, 2026, 2:24 PM
Reserved
Oct 22, 2026, 1:40 PM
Status
Deferred
Published
Oct 26, 2026, 9:16 AM
Modified
Oct 26, 2026, 3:16 PM