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CVE-2021-21025

CRITICAL severity · CVSS 9.1 · CWE-91
9.1CVSS CRITICAL

Summary

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to XML injection in the product layout updates. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.

Impact & exploitability

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)5%

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products we track (1)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Last checked: Wed, 10 Jun 2026 22:18:30 UTC