CVE-2019-18656 Pimcore XSS Vulnerability

Medium 6.1 Published Updated

Cross-site scripting vulnerability in Pimcore allows attackers to inject malicious scripts via the translations grid, potentially leading to session hijacking or code execution.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2019-18656?

CVE-2019-18656 is a medium-severity cross-site scripting vulnerability in Pimcore Pimcore, published on 31 Oct 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Pimcore 6.2.3 has XSS in the translations grid because bundles/AdminBundle/Resources/public/js/pimcore/settings/translations.js mishandles certain HTML elements.

Weakness: CWE-79

Which versions are affected by CVE-2019-18656?

2 open source packages ship an affected version, including pimcore/pimcore. It affects 1 product.

PackageAffectedFixed in
pimcore/pimcore PackagistAll versions6.3.0
pimcore/pimcore PackagistAll versions6.3.0

Products include Pimcore Pimcore.

How do I fix CVE-2019-18656?

Upgrade pimcore/pimcore to 6.3.0 or later.

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-2019-18656 being exploited?

There is no known exploitation of CVE-2019-18656 in the wild and no public exploit code.

All Pimcore Pimcore vulnerabilities

Sources

Also known as GHSA-65p8-5423-fw3x.

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