Medium severity · published May 15, 2026
CVE-2026-42458
Magento LTS: Reflected XSS - Import -> Data Flow (profiles)
5.3
CVSS
0.3%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
magento-lts · OpenMage
< 20.18.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-42458
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-42458
github.com
https://github.com/OpenMage/magento-lts/security/advisories/GHSA-x8jv-q8j2-487c
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