CVE-2019-7940 Cross-site scripting in Magento 1 Magento 2

Medium 4.8 Published Updated

Authenticated users with currency modification privileges can inject malicious JavaScript into the Magento admin panel, potentially leading to session hijacking or further compromise.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2019-7940?

CVE-2019-7940 is a medium-severity cross-site scripting vulnerability in Magento Magento, published on 2 Aug 2019. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A stored cross-site scripting vulnerability exists in the admin panel of Magento Open Source prior to 1.9.4.2, and Magento Commerce prior to 1.14.4.2, Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2. This could be exploited by an authenticated user with privileges to modify store currency options to inject malicious javascript.

Weakness: CWE-79

Which versions are affected by CVE-2019-7940?

It affects 1 product.

Products include Magento Magento.

How do I fix CVE-2019-7940?

No fix has been published for CVE-2019-7940 yet. Limit exposure of the affected software until one is available.

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-2019-7940 being exploited?

There is no known exploitation of CVE-2019-7940 in the wild and no public exploit code.

All Magento Magento vulnerabilities

Sources

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