CVE-2017-1000488 Inline JS XSS vulnerability in Mautic

Medium 6.1 Published Updated

An attacker can execute arbitrary JavaScript in a victim's browser via crafted GET parameters in Mautic landing page forms.

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-2017-1000488?

CVE-2017-1000488 is a medium-severity cross-site scripting vulnerability in n/a, published on 3 Jan 2018. 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

Mautic version 2.1.0 - 2.11.0 is vulnerable to an inline JS XSS attack when using Mautic forms on a Mautic landing page using GET parameters to pre-populate the form.

Weakness: CWE-79

Which versions are affected by CVE-2017-1000488?

2 open source packages ship an affected version, including mautic/core. It affects 2 products.

PackageAffectedFixed in
mautic/core PackagistFrom 2.1.02.12.0
mautic/core PackagistFrom 2.1.02.12.0

Products include Acquia Mautic, Mautic Mautic.

How do I fix CVE-2017-1000488?

Upgrade mautic/core to 2.12.0 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-2017-1000488 being exploited?

There is no known exploitation of CVE-2017-1000488 in the wild and no public exploit code.

Sources

Also known as GHSA-qjhr-c23f-w76q.

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