Cross-Site Scripting Vulnerability in WatchGuard Fireware OS
CVE-2025-13936

4.8MEDIUM

Key Information:

Vendor

Watchguard

Status
Fireware Os
Vendor
CVE Published:
4 December 2025

What is CVE-2025-13936?

A Cross-Site Scripting vulnerability exists in WatchGuard Fireware OS due to improper neutralization of input during web page generation. This allows attackers to inject malicious scripts that can be stored and executed in the context of a user's browser. Affected versions include Fireware OS 12.4 to 12.11.4, 12.5 to 12.5.13, and 2025.1 to 2025.1.2, which could expose sensitive data or lead to unauthorized actions by users. It is crucial for system administrators to apply available patches to mitigate potential exploits.

Affected Version(s)

Fireware OS 12.4 <= 12.11.4

Fireware OS 12.5 <= 12.5.13

Fireware OS 2025.1 <= 2025.1.2

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-2025-13936 : Cross-Site Scripting Vulnerability in WatchGuard Fireware OS