What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in arscode Ninja Popups arscode-ninja-popups allows Stored XSS.This issue affects Ninja Popups: from n/a through <= 4.7.8.
Explanation of Vulnerability in Simple Terms
02Summary
Ninja Popups versions 4.7.8 and earlier contain a cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they interact with affected popups. The vulnerability requires user interaction and can affect site visitors across the application.
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
Authenticated users can inject scripts affecting other site visitors; attackers could steal credentials, session tokens, or perform unauthorized actions.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege account and the victim must view or interact with a popup containing the injected script.
Key dates
06Disclosure timeline
December 9, 2025
CVE published
April 28, 2026
Record updated