CVSS base score
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
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Garrett Grimm Simple Popup simple-popup-plugin allows DOM-Based XSS.This issue affects Simple Popup: from n/a through <= 4.6.
Explanation of Vulnerability in Simple Terms
Simple Popup versions 4.6 and earlier contain a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. An attacker with low-level site access can craft a popup configuration that executes JavaScript in other users' browsers when they view the affected page. The vulnerability requires user interaction and can affect multiple site visitors.
What an attacker can do
Inject and execute JavaScript code in other users' browsers to steal session tokens, redirect visitors, or deface content.
Potential impact on your site
Any authenticated user (contributor or above) can inject malicious scripts affecting all site visitors who see the popup.
Conditions required to exploit
Attacker must have low-level authenticated access to the site and the victim must view a page containing the malicious popup.
Key dates
External resources
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