What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in pgn4web Embed Chessboard embed-chessboard allows Stored XSS.This issue affects Embed Chessboard: from n/a through <= 3.08.00.
Explanation of Vulnerability in Simple Terms
02Summary
Embed Chessboard versions 3.08.00 and earlier contain a cross-site scripting (XSS) vulnerability. An attacker with low-level user access can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect the confidentiality, integrity, and availability of site data.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in other users' browsers to steal data or perform actions on their behalf.
Potential impact on your site
04Site Impact
Users' sessions and data can be compromised; attackers can deface content or steal credentials from site visitors.
Conditions required to exploit
05Prerequisites
Attacker needs low-level user account access; victim must view a page containing the injected script.
Key dates
06Disclosure timeline
April 4, 2025
CVE published
April 28, 2026
Record updated