CVE-2025-6947

Published Sep 15, 2025 Modified Apr 15, 2026 CWE-79

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS allows Stored XSS via the SIP Proxy module. This vulnerability requires an authenticated administrator session to a locally managed Firebox. This issue affects Firebox: from 12.0 through 12.11.2.

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Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

References

Frequently Asked Questions

What is CVE-2025-6947? +
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS allows Stored XSS via the SIP Proxy module. This vulnerability requires an authenticated administrator session to a locally managed Firebox. This issue affects Firebox: from 12.0 through 12.11.2.
How do I check if I'm vulnerable to CVE-2025-6947? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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