CVE-2018-11198 XSS vulnerability in Author URL of themes in Mautic

Medium 6.1 Published Updated

Attackers can inject malicious scripts via the authorUrl field in config.json, leading to stored XSS attacks against Mautic users.

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-2018-11198?

CVE-2018-11198 is a medium-severity cross-site scripting vulnerability in n/a, published on 6 Sep 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

An issue was discovered in Mautic 2.13.1. There is Stored XSS via the authorUrl field in config.json.

Weakness: CWE-79

Which versions are affected by CVE-2018-11198?

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

PackageAffectedFixed in
mautic/core PackagistFrom 2.13.12.14.0
mautic/core PackagistFrom 2.13.12.14.0

Products include Acquia Mautic.

How do I fix CVE-2018-11198?

Upgrade mautic/core to 2.14.0 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-2018-11198 being exploited?

There is no known exploitation of CVE-2018-11198 in the wild and no public exploit code.

Sources

Also known as GHSA-xcf7-cj8q-pcjm.

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