CVE-2025-68599 MEDIUM

CVE-2025-68599: WordPress YouTube Embed plugin <= 5.4 - Cross Site Scripting (XSS) vulnerability

Vendor Embeds For Youtube Plugin Support
Product YouTube Embed
Weakness CWE-79 · XSS
Published December 24, 2025
Last update April 28, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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 Embeds For YouTube Plugin Support YouTube Embed youtube-embed allows Stored XSS.This issue affects YouTube Embed: from n/a through <= 5.4.

Explanation of Vulnerability in Simple Terms

02Summary

The YouTube Embed plugin for WordPress contains a cross-site scripting (XSS) vulnerability in versions 5.4 and earlier. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect site visitors across different security contexts.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in other users' browsers when they view the site.

Potential impact on your site

04Site Impact

Site visitors' sessions and data could be compromised if an authenticated user injects malicious code via YouTube embeds.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege WordPress account and the victim must visit a page containing the malicious embed.

Key dates

06Disclosure timeline

December 24, 2025 CVE published
April 28, 2026 Record updated