CVE-2026-128029
OpenMage magento-lts before 20.18.2 Stored XSS via Dataflow Import Row Errors
CVSS Score
4.7
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | openmage |
| Product | magento-lts |
| Published | Nov 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
OpenMage / magento-lts
0 < 20.18.2
OpenMage / magento-lts
21.0.0-beta1 < 21.0.0-beta3
References
github.com: https://github.com/OpenMage/magento-lts/security/advisories/GHSA-28hq-mq6h-fh2x github.com: https://github.com/OpenMage/magento-lts/commit/d10314ddda9a6081bc27370b463b5f77c2e499de vulncheck.com: https://www.vulncheck.com/advisories/openmage-magento-lts-before-20.18.2-stored-xss-via-dataflow-import-row-errors
Credits
colinmollenhour