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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OPNsense | OPNsense firewall | ≤ 26.7.1_1 | 26.7.7 |
Advisories 1
- WID-SEC-2026-2800 OPNsense: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 25, 2026
References
- https://digitalcanion.com/security-research/#ghsa-9h93-hhcx-957c third-party-advisory
- https://github.com/opnsense/core/security/advisories/GHSA-9h93-hhcx-957c vendor-advisory