CVE-2026-66146

Cross‑Site Scripting in SonicWall GMS Allowing Remote Execution of JavaScript

Published Aug 11, 2026 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
Multiple Cross-Site Scripting (XSS) vulnerabilities were identified in GMS 9.5.1 (Build 9510.1044) and earlier versions that allow a remote attacker to execute javascript script in a user's browser.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Sonicwall
Sonicwall gms
Vendors & Products Sonicwall
Sonicwall gms
Type Values Removed Values Added
Title Cross‑Site Scripting in SonicWall GMS Allowing Remote Execution of JavaScript
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

ssvc

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

Type Values Removed Values Added
Description Multiple Cross-Site Scripting (XSS) vulnerabilities were identified in GMS 9.5.1 (Build 9510.1044) and earlier versions that allow a remote attacker to execute javascript script in a user's browser.
Weaknesses CWE-79
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
sonicwall
Published
Updated
Aug 11, 2026, 8:13 PM
Reserved
Jul 24, 2026, 8:34 AM
Status
Awaiting Analysis
Published
Aug 11, 2026, 8:18 PM
Modified
Oct 24, 2026, 4:10 PM