CVE-2026-42458

Magento Long Term Support LTS is an unofficial, community-driven project provides an alternative to the Magento Community Edition e-commerce platform with a high level of backward compatibility. Prior to 20.18.0, there is a reflected XSS vulnerability under admin panel - System - Import/Export -...

Magento LTS: Reflected XSS - Import -> Data Flow (profiles)

A reflected XSS vulnerability was found under admin panel - System - Import/Export - Dataflow - Profiles. Steps to produce + Login to the admin panel + Go to the path System - Import/Export - Dataflow - Profiles + Select profile direction as Import. + Click on Import Customers + Upload the file...