CVE-2026-13377
4.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS SIP Proxy module allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-6947.
This issue affects Fireware OS 12.0 up to and including 12.12, 12.5 up to and including 12.5.18, and 2025.1 up to and including 2026.2.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| WatchGuard | Fireware OS | 12.0 <= 12.12 | affected |
| WatchGuard | Fireware OS | 12.5 <= 12.5.18 | affected |
| WatchGuard | Fireware OS | 2025.1 <= 2026.2 | affected |
Weaknesses
- CWE-79: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
References
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