What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in vanquish User Extra Fields wp-user-extra-fields allows Reflected XSS.This issue affects User Extra Fields: from n/a through <= 16.8.
Explanation of Vulnerability in Simple Terms
02Summary
User Extra Fields versions 16.8 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the application. An attacker can craft a malicious link or page that, when visited by a site user, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or defacement.
What an attacker can do
03Attacker Capabilities
Inject and execute malicious JavaScript in a user's browser to steal session tokens or credentials.
Potential impact on your site
04Site Impact
Site users' sessions and data can be compromised if they visit attacker-controlled pages or click malicious links.
Conditions required to exploit
05Prerequisites
Attacker must trick a user into visiting a malicious link or page (user interaction required). No authentication needed.
Key dates
06Disclosure timeline
February 20, 2026
CVE published
April 28, 2026
Record updated