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 -> Dataflow – Profiles. This vulnerability is fixed in 20.18.0.

More information : https://github.com/OpenMage/magento-lts/security/advisories/GHSA-x8jv-q8j2-487c