CVE-2017-8762 GeniXCMS Cross-site Scripting (XSS)

Medium 5.4 Published Updated

An authenticated user can execute arbitrary scripts via a crafted oncut attribute in a B element when submitting a page in GeniXCMS.

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

What is CVE-2017-8762?

CVE-2017-8762 is a medium-severity cross-site scripting vulnerability in n/a, published on 3 May 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

GeniXCMS 1.0.2 has XSS triggered by an authenticated user who submits a page, as demonstrated by a crafted oncut attribute in a B element.

Weakness: CWE-79

Which versions are affected by CVE-2017-8762?

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

PackageAffectedFixed in
genix/cms PackagistAll versions1.1.1
genix/cms PackagistAll versions1.1.1

Products include Genixcms Genixcms.

How do I fix CVE-2017-8762?

Upgrade genix/cms to 1.1.1 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-2017-8762 being exploited?

There is no known exploitation of CVE-2017-8762 in the wild and no public exploit code.

Sources

Also known as GHSA-4399-46r4-5rmv.

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