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. As per [the Magento Release 2.3.3](https://web.archive.org/web/20201126132230/https://devdocs.magento.com/guides/v2.3/release-notes/release-notes-2-3-3-commerce.html#new-security-only-patch-available), if you have already implemented the pre-release version of this patch (2.3.2-p1), it is highly recommended to promptly upgrade to 2.3.2-p2.

How to fix CVE-2019-8158

To remediate CVE-2019-8158, upgrade the affected package to a fixed version below.

• —upgrade to 2.2.10 or later

Is CVE-2019-8158 being exploited?

Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

• >= 2.2.0, < 2.2.10

CVSS scores

References (5)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2019-8158
• PATCHgithub.com/magento/magento2
• WEBgithub.com/FriendsOfPHP/security-advisories/blob/master/magento/product-community-edition/CVE-2019-8158.yaml
• WEBmagento.com/security/patches/magento-2.3.3-and-2.2.10-security-update