What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LambertGroup Universal Video Player universal-video-player allows Reflected XSS.This issue affects Universal Video Player: from n/a through <= 3.8.4.
Explanation of Vulnerability in Simple Terms
02Summary
Universal Video Player versions 3.8.4 and earlier contain a cross-site scripting vulnerability that allows attackers to inject malicious scripts into the player interface. An attacker can craft a malicious link or embed code that, when visited or loaded by a site visitor, executes JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or malware distribution.
What an attacker can do
03Attacker Capabilities
Inject and execute malicious JavaScript in visitors' browsers through the video player.
Potential impact on your site
04Site Impact
Visitors to your site could have their sessions hijacked, credentials stolen, or be redirected to malicious sites.
Conditions required to exploit
05Prerequisites
A site visitor must click a malicious link or load a page with attacker-controlled embed code.
Key dates
06Disclosure timeline
January 22, 2026
CVE published
April 28, 2026
Record updated