CVE-2019-8126: Improper Restriction of XML External Entity Reference

November 12, 2019 (updated July 28, 2021)

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.

References

github.com/advisories/GHSA-427g-2r83-3ccm
magento.com/security/patches/magento-2.3.3-and-2.2.10-security-update
nvd.nist.gov/vuln/detail/CVE-2019-8126

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