CVE-2025-27005 HIGH

CVE-2025-27005: WordPress HTML5 Video Player plugin <= 5.3.5 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Lambertgroup
Product HTML5 Video Player
Weakness CWE-79 · XSS
Published January 22, 2026
Last update April 28, 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 LambertGroup HTML5 Video Player lbg-vp2-html5-bottom allows Reflected XSS.This issue affects HTML5 Video Player: from n/a through <= 5.3.5.

Explanation of Vulnerability in Simple Terms

02Summary

The HTML5 Video Player contains a cross-site scripting (XSS) vulnerability in versions up to 5.3.5. An attacker can inject malicious scripts that execute in a visitor's browser when they view a page containing the player. The vulnerability requires user interaction and can affect other parts of the site due to scope change. Update to a version newer than 5.3.5 to remediate.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in visitors' browsers, potentially stealing session data or redirecting users.

Potential impact on your site

04Site Impact

Visitors' browsers can be compromised; session tokens, cookies, or form data may be stolen or modified.

Conditions required to exploit

05Prerequisites

Visitor must view a page containing the vulnerable player; attacker needs network access to inject the payload.

Key dates

06Disclosure timeline

January 22, 2026 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE