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 <= 5.1.
Explanation of Vulnerability in Simple Terms
02Summary
Extensions for Leaflet Map versions 5.1 and earlier contain a cross-site scripting (XSS) vulnerability. An attacker can inject malicious scripts that execute in users' browsers when they visit an affected page. The vulnerability requires user interaction and can affect other parts of the site or connected systems. Update to a version newer than 5.1 to remediate.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in visitors' browsers, stealing session tokens or redirecting users.
Potential impact on your site
04Site Impact
Visitors' browsers can be compromised; session hijacking and credential theft are possible.
Conditions required to exploit
05Prerequisites
Victim must visit a page containing the vulnerable component; no authentication required.
Key dates
06Disclosure timeline
July 13, 2026
CVE published