What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in mdempfle Advanced iFrame advanced-iframe allows DOM-Based XSS.This issue affects Advanced iFrame: from n/a through <= 2025.10.
Explanation of Vulnerability in Simple Terms
02Summary
Advanced iFrame versions up to 2025.10 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 malicious link that, when clicked by another user, executes arbitrary JavaScript in their browser session. This can lead to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim.
What an attacker can do
03Attacker Capabilities
Inject and execute malicious JavaScript in other users' browsers via a crafted link.
Potential impact on your site
04Site Impact
Authenticated users can be tricked into executing scripts that steal sessions, modify content, or perform actions as the victim.
Conditions required to exploit
05Prerequisites
Attacker must have low-level site authentication; victim must click the malicious link.
Key dates
06Disclosure timeline
February 19, 2026
CVE published
April 28, 2026
Record updated