OpenMage magento-lts before 20.18.2 and 21.0.0-beta1 before 21.0.0-beta3 contains a stored cross-site scripting vulnerability because…
CVE-2026-128051
OpenMage magento-lts before 20.18.2 and 21.0.0-beta1 before 21.0.0-beta3 contains a stored cross-site scripting vulnerability because storefront MSRP/MAP popup and Qty Increments notice templates output product names without proper escaping. Attackers with admin product-edit rights can store a malicious product name that executes script when shoppers view product, category, or wishlist pages.
Assessment
- CVSS
- 4.8 (v4.0)
- Severity
- Medium
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 13 November 2026
- Last updated
- 13 November 2026
- Affected
- OpenMage · magento-lts
- Assigner
- VulnCheck
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
At the source
References
- https://github.com/OpenMage/magento-lts/security/advisories/GHSA-hfqq-c3qm-38x8
- https://github.com/OpenMage/magento-lts/commit/64ff7fce3db72cad83e41131bdf48c42ba2ad2f2
- https://github.com/OpenMage/magento-lts/commit/2437b01af99279aa1c6ca5c19f919449b38a5a66
- https://www.vulncheck.com/advisories/openmage-magento-lts-before-20.18.2-stored-xss-via-product-name-in-msrp-popup
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