CVE-2019-8145 Magento Cross-Site Scripting via Attribute Set Name

What is CVE-2019-8145?

CVE-2019-8145 is a medium-severity cross-site scripting vulnerability in Magento Magento, published on 6 Nov 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A stored cross-site scripting (XSS) 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 user can inject arbitrary JavaScript code into the attribute set name when listing the products.

Weakness: CWE-79

Which versions are affected by CVE-2019-8145?

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-2019-8145?

Upgrade magento/community-edition to a fixed version for your release line: 2.2.10 or 2.3.2-p1.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2019-8145 being exploited?

There is no known exploitation of CVE-2019-8145 in the wild and no public exploit code.

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Sources

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

Also known as GHSA-xv69-f7x5-r4qw.