CVE-2021-21023: Magento stored cross-site scripting vulnerability in the admin console

May 24, 2022 (updated February 10, 2025)

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to a stored cross-site scripting vulnerability in the admin console. Successful exploitation could lead to arbitrary JavaScript execution in the victim’s browser. Access to the admin console is required for successful exploitation.

References

github.com/advisories/GHSA-h5rm-m772-6qcx
github.com/magento/magento2
helpx.adobe.com/security/products/magento/apsb21-08.html
nvd.nist.gov/vuln/detail/CVE-2021-21023

Code Behaviors & Features

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