CVE-2021-36023: Magento Commerce Widgets Update Layout XML Injection Vulnerability Could Lead To Remote Code Execution

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-06 · updated 2026-06-17
Weakness: CWE-78

Description

Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by an XML Injection vulnerability in the Widgets Update Layout. An attacker with admin privileges can trigger a specially crafted script to achieve remote code execution.

Affected products

Adobe Magento Commerce: before 2.3.7; from 2.4.0 before 2.4.2; 2.3.7, 2.4.2, 2.4.2-p1 — fixed in 2.3.7, 2.4.2

How to fix

Upgrade to a fixed version: Adobe Magento Commerce 2.3.7, 2.4.2. Check the vendor advisory for mitigations.

References

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