Medium severityNVD Advisory· Published May 15, 2026· Updated May 18, 2026

CVE-2026-42458

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.

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Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
openmage/magento-ltsPackagist	< 20.18.0	20.18.0

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-x8jv-q8j2-487cghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2026-42458ghsaADVISORY
github.com/OpenMage/magento-lts/security/advisories/GHSA-x8jv-q8j2-487cnvdWEB

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cvss	0.260
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000