Security Advisory

CVE-2026-13377

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-02 23:05:32

Last updated 2026-07-06 15:02:58

Assigner WatchGuard

CVSS score 4.8

State PUBLISHED

Description

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.

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