CVE-2025-4805

Medium

Description

A stored cross-site scripting (XSS) vulnerability exists in the management interface of WatchGuard Firebox appliances via the Access Portal configuration. An authenticated remote attacker with administrator privileges could exploit this vulnerability to execute arbitrary JavaScript code in the Firebox management interface of another management user.

SeverityMedium

CVSS4.8

Exploit probability—

ProductFireware OS

PublishedMay 16, 2025

First seenMay 16, 2025

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

WatchGuard Fireware OS12.11.2 or later

Vendor advisories

psirt.watchguard.com/CVE-2025-4805
watchguard.com/wgrd-psirt/advisory/wgsa-2025-00007

Affected products

Product	Affected versions	Fixed in
WatchGuard Fireware OS	12.0 ≤ v < 12.11.2	12.11.2

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