What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in hupe13 Extensions for Leaflet Map extensions-leaflet-map allows DOM-Based XSS.This issue affects Extensions for Leaflet Map: from n/a through <= 4.8.
Explanation of Vulnerability in Simple Terms
02Summary
Extensions for Leaflet Map versions 4.8 and earlier contain a cross-site scripting vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they interact with affected map content. The vulnerability requires user interaction and can affect confidentiality, integrity, and availability of the site.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in other users' browsers when they view map content.
Potential impact on your site
04Site Impact
Authenticated users can inject scripts affecting other visitors; may compromise user sessions or site data.
Conditions required to exploit
05Prerequisites
Attacker must have low-level authenticated access and the victim must view the affected map.
Key dates
06Disclosure timeline
November 21, 2025
CVE published
April 28, 2026
Record updated