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CVE-2026-13377

4.8 medium SSVC exploitation: none Modified
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 4.8 · watchguardNVD modified 2026-10-25 21:10

Affected (CPE criteria) 1

  • cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*

References 2