CVE-2025-31743 MEDIUM

CVE-2025-31743: WordPress Lightweight and Responsive Youtube Embed Plugin <= 1.0.0 - Stored Cross Site Scripting (XSS) vulnerability

Vendor Wpszaki
Product Lightweight and Responsive Youtube Embed
Weakness CWE-79 · XSS
Published April 1, 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 wpszaki Lightweight and Responsive Youtube Embed lightweight-and-responsive-youtube-embed allows Stored XSS.This issue affects Lightweight and Responsive Youtube Embed: from n/a through <= 1.0.0.

Explanation of Vulnerability in Simple Terms

02Summary

The Lightweight and Responsive Youtube Embed plugin for WordPress contains a cross-site scripting (XSS) vulnerability in versions up to 1.0.0. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers, potentially stealing session data or performing actions on their behalf. The vulnerability requires user interaction and affects the scope beyond the plugin itself.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers to steal data or perform actions as them.

Potential impact on your site

04Site Impact

Authenticated users' accounts and data are at risk; attackers can deface content or steal admin credentials if an admin visits a crafted link.

Conditions required to exploit

05Prerequisites

Attacker must be logged in with low-level privileges and trick a user into visiting a malicious page or link.

Key dates

06Disclosure timeline

April 1, 2025 CVE published
April 28, 2026 Record updated