Cross-site Scripting Vulnerability in WatchGuard Fireware OS
CVE-2025-4804

4.8MEDIUM

Key Information:

Vendor

Watchguard

Status
Fireware Os
Vendor
CVE Published:
16 May 2025

What is CVE-2025-4804?

A Cross-site Scripting vulnerability exists in WatchGuard Fireware OS that allows attackers to exploit the spamBlocker module, potentially leading to Stored XSS. This issue arises when input is not properly sanitized during web page generation. The vulnerability necessitates an authenticated administrator session on a locally-managed Firebox, making it critical to maintain robust access controls. Affected versions include Fireware OS versions from 12.0 to 12.11.1. Organizations using these versions should assess their configurations and apply security best practices to mitigate potential risks.

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Affected Version(s)

Fireware OS 12.0 <= 12.11.1

References

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

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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