Cross-site Scripting Vulnerability in WatchGuard Fireware OS
CVE-2025-6946

4.8MEDIUM

Key Information:

Vendor

Watchguard

Status
Fireware Os
Vendor
CVE Published:
4 December 2025

What is CVE-2025-6946?

A Cross-site Scripting (XSS) vulnerability exists in WatchGuard Fireware OS, specifically within the IPS module. This vulnerability can lead to stored XSS attacks, which require an authenticated administrator session on a locally managed Firebox. Affected versions include Firebox 12.0 through 12.11.2, highlighting the need for immediate action to protect against potential exploitation.

Affected Version(s)

Fireware OS 12.0 <= 12.11.2

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

JSON
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CVE-2025-6946 : Cross-site Scripting Vulnerability in WatchGuard Fireware OS