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CVE-2021-21029: Cross-site Scripting

February 11, 2021 (updated January 4, 2022)

Magento is vulnerable to Cross-Site Scripting 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

  • helpx.adobe.com/security/products/magento/apsb21-08.html
  • nvd.nist.gov/vuln/detail/CVE-2021-21029

Code Behaviors & Features

Detect and mitigate CVE-2021-21029 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions before 2.3.6, all versions starting from 2.4.0 up to 2.4.1-p1

Fixed versions

  • 2.3.6
  • 2.4.1-p1

Solution

Upgrade to versions 2.3.6, 2.4.1-p1 or above.

Impact 4.8 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Source file

packagist/magento/community-edition/CVE-2021-21029.yml

Spotted a mistake? Edit the file on GitLab.

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