CVE-2026-128029

MEDIUMCVSS 4.7/10EPSS 0.30%

Last modified

CVE-2026-128029 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. OpenMage magento-lts before 20.18.2 and 21.0.0-beta1 before 21.0.0-beta3 contains a stored cross-site scripting vulnerability in the Dataflow profile run page, which inserts catalog product import row errors into the page without escaping. Unauthenticated attackers can place markup in the store, type, or attribute_set columns of an import file to run script in the session of the administrator who imports it.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

OpenMage magento-lts before 20.18.2 and 21.0.0-beta1 before 21.0.0-beta3 contains a stored cross-site scripting vulnerability in the Dataflow profile run page, which inserts catalog product import row errors into the page without escaping. Unauthenticated attackers can place markup in the store, type, or attribute_set columns of an import file to run script in the session of the administrator who imports it.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
OpenMagemagento-lts< 20.18.2
OpenMagemagento-lts>= 21.0.0-beta1, < 21.0.0-beta3

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-128029?
OpenMage magento-lts before 20.18.2 and 21.0.0-beta1 before 21.0.0-beta3 contains a stored cross-site scripting vulnerability in the Dataflow profile run page, which inserts catalog product import row errors into the page without escaping. Unauthenticated attackers can place markup in the store, type, or attribute_set columns of an import file to run script in the session of the administrator who imports it.
How severe is CVE-2026-128029?
CVE-2026-128029 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2026-128029?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST