CVE-2026-66621
Received Received - Intake

Unauthenticated XSS in Ultimate Dashboard

Publication date: 2026-08-18

Last updated on: 2026-08-18

Assigner: Patchstack

Description
Unauthenticated Cross Site Scripting (XSS) in Ultimate Dashboard <= 3.11.2 versions.

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Meta Information

Published
2026-08-18
Last Modified
2026-08-18
Generated
2026-08-18
AI Q&A
2026-08-18
EPSS Evaluated
N/A
NVD
CVE-2026-66621
EUVD
EUVD-2026-60914

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
ultimate_dashboard ultimate_dashboard to 3.11.2 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This is an Unauthenticated Cross Site Scripting (XSS) vulnerability affecting Ultimate Dashboard plugin versions up to and including 3.11.2. XSS allows attackers to inject malicious scripts into web pages viewed by other users without needing authentication.

Impact Analysis

An attacker could exploit this to steal user sessions, redirect users to malicious sites, or deface the website. Since no authentication is required, any unpatched version of the plugin is at risk of compromise.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's data protection requirements and HIPAA's security rules for protected health information. Organizations may face compliance penalties if exploited.

Mitigation Strategies

Update Ultimate Dashboard to the latest version beyond 3.11.2 to patch the XSS vulnerability. If updating is not immediately possible, consider disabling the plugin or restricting access to trusted users only.

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