CVE-2026-66621 HIGH

CVE-2026-66621: WordPress Ultimate Dashboard Pro plugin <= 3.11.2 - Cross Site Scripting (XSS) vulnerability

Vendor Mapsteps Ug
Product Ultimate Dashboard Pro
Weakness CWE-79 · XSS
Published August 18, 2026
Last update August 25, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in MapSteps UG Ultimate Dashboard Pro allows DOM-Based XSS. This issue affects Ultimate Dashboard Pro: from n/a through 3.11.2.

Explanation of Vulnerability in Simple Terms

02Summary

Ultimate Dashboard Pro versions up to 3.11.2 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the application. An attacker can craft a malicious link that, when clicked by a site visitor, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in a visitor's browser to steal session data or perform unauthorized actions.

Potential impact on your site

04Site Impact

Visitors to your site could have their sessions hijacked or credentials stolen if they click attacker-controlled links.

Conditions required to exploit

05Prerequisites

Attacker must trick a site visitor into clicking a malicious link (user interaction required). No authentication needed.

Key dates

06Disclosure timeline

August 18, 2026 CVE published
August 25, 2026 Record updated

Related vulnerabilities

08Related CVE