What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in uicore UiCore Elements uicore-elements allows Stored XSS.This issue affects UiCore Elements: from n/a through <= 1.3.4.
Explanation of Vulnerability in Simple Terms
02Summary
UiCore Elements versions 1.3.4 and earlier contain a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. The vulnerability requires user interaction and affects the integrity and confidentiality of site data. An attacker with low-level access can craft a malicious link or page that, when visited by another user, executes arbitrary JavaScript in their browser.
What an attacker can do
03Attacker Capabilities
Inject and execute malicious JavaScript in other users' browsers to steal data or perform actions on their behalf.
Potential impact on your site
04Site Impact
Authenticated attackers can compromise other users' sessions, steal sensitive data, or deface site content visible to victims.
Conditions required to exploit
05Prerequisites
Attacker needs low-level user account access and must trick a victim into visiting a malicious link or page.
Key dates
06Disclosure timeline
August 27, 2025
CVE published
April 28, 2026
Record updated