CVE-2026-42458

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

State: Published
Severity: 5.3 Medium
Published: May 15, 2026
Updated: May 15, 2026
Reserved: Apr 27, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N	GitHub_M

Weaknesses

CWE-87 Improper Neutralization of Alternate XSS Syntax

Affected Products

Product	Versions
magento-ltsOpenMage	< 20.18.0Affected

References

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

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