CVE-2021-21029: Magento Commerce Reflected Cross-site Scripting Vulnerability Could Lead To Arbitrary JavaScript Execution
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are affected by a Reflected Cross-site Scripting vulnerability via 'file' parameter. Successful exploitation could lead to arbitrary JavaScript execution in the victim's browser. Access to the admin console is required for successful exploitation.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID of this Magento vulnerability?
The vulnerability ID of this Magento vulnerability is CVE-2021-21029.
What versions of Magento are affected by this vulnerability?
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier), and 2.3.6 (and earlier) are affected by this vulnerability.
What is the severity of CVE-2021-21029?
The severity of CVE-2021-21029 is medium with a CVSS score of 4.8.
What is the impact of this vulnerability?
Successful exploitation of this vulnerability could lead to arbitrary JavaScript execution in the victim's browser.
How can I fix CVE-2021-21029 in my Magento installation?
To fix CVE-2021-21029, it is recommended to update Magento to version 2.4.2 or apply the necessary patches provided by Magento.