CVE-2019-7861 Magento 2 Community Edition Unsafe File Upload

What is CVE-2019-7861?

CVE-2019-7861 is a high-severity vulnerability in Magento Magento, published on 2 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Insufficient server-side validation of user input could allow an attacker to bypass file upload restrictions in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2.

Weakness: CWE-434

Which versions are affected by CVE-2019-7861?

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

Products include Magento Magento.

How do I fix CVE-2019-7861?

Upgrade magento/community-edition to a fixed version for your release line: 2.1.18, 2.2.9 or 2.3.2.

Is CVE-2019-7861 being exploited?

There is no known exploitation of CVE-2019-7861 in the wild and no public exploit code.

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• 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-j837-vm6w-6qcv.