XSS in Opnsense Firewall
CVE-2026-115425
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- digitalcanion.com/security-research/ (third-party-advisory)
- github.com/opnsense/core/security/advisories/GHSA-9h93-hhcx-957c (vendor-advisory)