CVE-2019-8126 Information disclosure through processing of external XML entities

What is CVE-2019-8126?

CVE-2019-8126 is a medium-severity vulnerability in Magento Magento, published on 5 Nov 2019. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

An XML entity injection vulnerability exists in Magento 2.2 prior to 2.2.10, Magento 2.3 prior to 2.3.3 or 2.3.2-p1. An authenticated admin user can craft document type definition for an XML representing XML layout. The crafted document type definition and XML layout allow processing of external entities which can lead to information disclosure.

Weakness: CWE-611

Which versions are affected by CVE-2019-8126?

4 open source packages ship an affected version, including magento/community-edition. It affects 1 product.

Products include Magento Magento.

How do I fix CVE-2019-8126?

Upgrade magento/community-edition to a fixed version for your release line: 2.2.10 or 2.3.2-p2.

Is CVE-2019-8126 being exploited?

There is no known exploitation of CVE-2019-8126 in the wild and no public exploit code.

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• CVE-2020-9576 Magento command injection vulnerability Critical 9.8
• CVE-2020-9578 Magento command injection vulnerability Critical 9.8
• CVE-2020-9579 Magento Security mitigation bypass vulnerability Critical 9.8
• CVE-2020-9580 Magento Security mitigation bypass vulnerability Critical 9.8

All Magento Magento vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-427g-2r83-3ccm.