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Servers and applications

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 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.

Severity
Medium 4.8
Published
28 Jun 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
2.3.7
Sources
NVD

Affected software

SoftwareAffected versions
Magento / Adobe CommerceServers and applications · cpe:a:magento:magento
  • Every version before 2.3.7
  • From 2.4.0 up to 2.4.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-28556
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-28556