CVE-2026-42458
Medium
Description
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductOpenmage/magento-lts
PublishedMay 15, 2026
First seenMay 15, 2026
Weakness typeCWE-87CWE-87
How to fix
Update
- openmage/magento-lts20.18.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openmage/magento-ltsPackagist | v < 20.18.0 | 20.18.0 |
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