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 defacement of the affected page.
What an attacker can do
03Attacker Capabilities
Inject and execute malicious JavaScript in a visitor's browser when they interact with the player.
Potential impact on your site
04Site Impact
Visitors to your site may have their sessions compromised, credentials stolen, or see malicious content injected into pages using this player.
Conditions required to exploit
05Prerequisites
The victim must visit a page containing the vulnerable player or click a malicious link crafted by the attacker.
Key dates
06Disclosure timeline
January 22, 2026
CVE published
April 28, 2026
Record updated