IRONSMITHINTEL
CRITICALCVSS9.8
|
Actively Exploited
|CISA KEV|CVE-2024-34102|Auth: none — unauthenticated|Reboot: required|Manual only

Adobe Commerce and Magento Open Source Improper Restriction of XML External Entity Reference (XXE) Vulnerability

Adobe Commerce and Magento Open Source contain an improper restriction of XML external entity reference (XXE) vulnerability that allows for remote code execution.

Published Jun 13, 2024 · Updated May 16, 2026
Why patchRisk explained in plain English
Worst-case scenarioIf unpatched

A remote attacker, without authentication, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2024-08-07 under CISA BOD 22-01.

How the attack worksNo clicks needed

This is a XML External Entity (XXE) Injection (CWE-611) vulnerability in Adobe Commerce and Magento Open Source. Adobe Commerce versions 2.4.7, 2.4.6-p5, 2.4.5-p7, 2.4.4-p8 and earlier are affected by an Improper Restriction of XML External Entity Reference ('XXE') vulnerability that could result in arbitrary code execution. An attacker could exploit this vulnerability by sending a crafted XML document that references external entities. Exploitation of this issue does not require user interaction. Exploitation requires remote network access, low attack complexity, no authentication required, and no user interaction required.

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Phishing link

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Malicious file

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Server compromised

Am I affected?Quick check

Probably yes if any of these apply:

Endpoint Administrators
IT Security
Running commerce: 2.4.2, 2.4.3, 2.4.4, 2.4.5, 2.4.6, 2.4.7; commerce webhooks: 1.2.0 ≤ v < 1.5.0; magento: 2.4.4, 2.4.5, 2.4.6, 2.4.7
Real-world incidentsWhat we've seen

Active exploitation documented in the wild. Threat-research write-up: https://www.vicarius.io/vsociety/posts/cosmicsting-critical-unauthenticated-xxe-vulnerability-in-adobe-commerce-and-magento-cve-2024-34102

How to patch

Manual remediation steps

Apply the Vendor Patch

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

References

    1
    Vendor advisory: https://helpx.adobe.com/security/products/magento/apsb24-40.html
    1
    NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2024-34102
    1
    CISA KEV: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-34102
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