Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS allows Stored XSS via the Blocked Sites list. This vulnerability requires an authenticated administrator session to a locally managed Firebox.This issue affects Fireware OS: from 12.0 through 12.5.12+701324, from 12.6 through 12.11.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00511.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

No data.

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-2095 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS allows Stored XSS via the Blocked Sites list. This vulnerability requires an authenticated administrator session to a locally managed Firebox.This issue affects Fireware OS: from 12.0 through 12.5.12+701324, from 12.6 through 12.11.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00002 cve-icon cve-icon
History

Mon, 14 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00089}

 epss

{'score': 0.00099}

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00082}

 epss

{'score': 0.00089}

Fri, 14 Feb 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 14 Feb 2025 13:30:00 +0000

Type Values Removed Values Added
Description Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS allows Stored XSS via the Blocked Sites list. This vulnerability requires an authenticated administrator session to a locally managed Firebox.This issue affects Fireware OS: from 12.0 through 12.5.12+701324, from 12.6 through 12.11.
Title WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Blocked Sites List
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 4.8, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: WatchGuard

Published:

Updated: 2025-02-14T14:03:04.820Z

Reserved: 2025-02-11T19:40:39.287Z

Link: CVE-2025-1239

cve-icon Vulnrichment

Updated: 2025-02-14T14:02:54.724Z

cve-icon NVD

Status : Received

Published: 2025-02-14T14:15:32.687

Modified: 2025-02-14T14:15:32.687

Link: CVE-2025-1239

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses