What’s Vulnerable › Vulnerabilities

CVE-2026-115425: Multiple cross-site scripting (XSS) in OPNsense

• Severity: medium (CVSS 5.6 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-26 · updated 2026-10-26
• Weakness: CWE-79

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

• OPNsense firewall: through 26.7.1_1

References

• https://digitalcanion.com/security-research/#ghsa-9h93-hhcx-957c
• https://github.com/opnsense/core/security/advisories/GHSA-9h93-hhcx-957c

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