CVE-2025-4804

MEDIUM EPSS 27.9%

Published May 16, 20251y ago · Modified Jun 17, 20261w ago

4.8 CVSS 4.0

Medium

Published May 16, 2025 1y ago

Last Modified Jun 17, 2026 1w ago

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS allows Stored XSS via the spamBlocker module. This vulnerability requires an authenticated administrator session to a locally managed Firebox. This issue affects Fireware OS: from 12.0 through 12.11.1.

CVSS Details

Base Score

4.8

Exploitability

—

Impact

—

Vector string

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required High

User Interaction P

Scope X

Threat Intelligence

EPSS Exploit Probability

27.9% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

References 1

watchguard.com https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00006

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.