CVE-2017-18352 rendertron XSS vulnerability

Medium 6.1 Published Updated

Reflected Cross-Site Scripting in Rendertron allows attackers to execute arbitrary scripts via invalid URLs.

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-2017-18352?

CVE-2017-18352 is a medium-severity cross-site scripting vulnerability in n/a, published on 17 Dec 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

Error reporting within Rendertron 1.0.0 allows reflected Cross Site Scripting (XSS) from invalid URLs.

Weakness: CWE-79

Which versions are affected by CVE-2017-18352?

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

PackageAffectedFixed in
rendertron npmAll versions1.1.0
rendertron npmAll versions1.1.0

Products include Google Rendertron.

How do I fix CVE-2017-18352?

Upgrade rendertron to 1.1.0 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-2017-18352 being exploited?

There is no known exploitation of CVE-2017-18352 in the wild and no public exploit code.

Sources

Also known as GHSA-j88m-953w-8r2c.

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