Security Advisory

CVE-2026-3343

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-03 13:17:48

Last updated 2026-03-04 15:22:22

Assigner WatchGuard

State PUBLISHED

Description

A reflected cross-site scripting (XSS) vulnerability in the Fireware OS Web UI enabled execution of malicious JavaScript in the context of an authenticated management users browser when they click on a specially crafted link. This vulnerability affects Fireware OS 12.7 up to and including 12.11.7 and 2025.1 up to and including 2026.1.1.

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