CVE-2019-1010018 Cross-site scripting in Zammad

Medium 6.1 Published Updated

An attacker can execute arbitrary JavaScript in a victim's browser by tricking them into opening a malicious ticket in Zammad.

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
None listed

What is CVE-2019-1010018?

CVE-2019-1010018 is a medium-severity cross-site scripting vulnerability in Zammad Zammad, published on 16 Jul 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

Zammad GmbH Zammad 2.3.0 and earlier is affected by: Cross Site Scripting (XSS) - CWE-80. The impact is: Execute java script code on users browser. The component is: web app. The attack vector is: the victim must open a ticket. The fixed version is: 2.3.1, 2.2.2 and 2.1.3.

Weakness: CWE-79, CWE-80

Which versions are affected by CVE-2019-1010018?

It affects 1 product.

Products include Zammad Zammad.

How do I fix CVE-2019-1010018?

No fix has been published for CVE-2019-1010018 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-2019-1010018 being exploited?

There is no known exploitation of CVE-2019-1010018 in the wild and no public exploit code.

All Zammad Zammad vulnerabilities

Sources

Also known as GHSA-qhqc-h6cg-hx9p.

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