Magento XML Injection (aka Blind XPath Injection) Vulnerability (CVE-2019-8158)

Description

An XPath 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 attacker can craft a GET request to page cache block rendering module that gets passed to XML data processing engine without validation. The crafted key/value GET request data allows an attacker to limited access to underlying XML data.

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