CWE
79
Advisory Published
Advisory Published
Updated

CVE-2021-28556: Magento Commerce DOM-based cross-site scripting (XSS) could lead to arbitrary javascript execution

First published: Mon Jun 28 2021(Updated: )

Magento versions 2.4.2 (and earlier), 2.4.1-p1 (and earlier) and 2.3.6-p1 (and earlier) are affected by a DOM-based Cross-Site Scripting vulnerability on mage-messages cookies. Successful exploitation could lead to arbitrary JavaScript execution by an unauthenticated attacker. User interaction is required for successful exploitation.

Credit: psirt@adobe.com psirt@adobe.com

Affected SoftwareAffected VersionHow to fix
Magento Magento<2.3.7
Magento Magento<2.3.7
Magento Magento>=2.4.0<=2.4.2
Magento Magento>=2.4.0<=2.4.2
composer/magento/community-edition<2.3.7
2.3.7
composer/magento/community-edition>=2.4.0<2.4.2-p1
2.4.2-p1

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Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2021-28556.

  • What is the severity of CVE-2021-28556?

    The severity of CVE-2021-28556 is medium with a CVSS score of 4.8.

  • What is affected by CVE-2021-28556?

    Magento versions 2.4.2 (and earlier), 2.4.1-p1 (and earlier), and 2.3.6-p1 (and earlier) are affected by CVE-2021-28556.

  • What is the impact of CVE-2021-28556?

    Successful exploitation of CVE-2021-28556 could lead to arbitrary JavaScript execution by an unauthenticated attacker.

  • How can I fix CVE-2021-28556?

    To fix CVE-2021-28556, it is recommended to upgrade to the latest version of Magento. Patch updates are available for affected versions.

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