What is the CVSS score of CVE-2025-13936?

CVE-2025-13936 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Fireware are affected by CVE-2025-13936?

CVE-2025-13936 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 6.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

How to fix or mitigate CVE-2025-13936?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Fireware CVE-2025-13936

EUVD-2025-201303 MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2025-12-04 5d1c2695-1a31-4499-88ae-e847036fd7e3

XSS Fireware

6.1

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

EUVD ID Assigned

Mar 15, 2026 - 16:35 euvd

EUVD-2025-201303

Analysis Generated

Mar 15, 2026 - 16:35 vuln.today

CVE Published

Dec 04, 2025 - 22:15 nvd

MEDIUM 6.1

DescriptionNVD

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Tigerpaw Technology Integration module) allows Stored XSS.This issue affects Fireware OS 12.4 up to and including 12.11.4, 12.5 up to and including 12.5.13, and 2025.1 up to and including 2025.1.2.

Analysis

Technical ContextAI

Cross-site scripting (XSS) allows injection of client-side scripts into web pages viewed by other users due to insufficient output encoding.

RemediationAI

Encode all user-supplied output contextually (HTML, JS, URL). Implement Content Security Policy (CSP) headers. Use HTTPOnly and Secure cookie flags.

CVE-2025-13936 vulnerability details – vuln.today

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