CVE-2017-6906 Cross-site scripting in n/a

Medium 6.1 Published Updated

An attacker can execute arbitrary HTML and script code in a browser via insufficient filtration of user-supplied data in Siberian CMS.

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-2017-6906?

CVE-2017-6906 is a medium-severity cross-site scripting vulnerability in n/a, published on 15 Mar 2017. 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 SiberianCMS before 4.10.0. The vulnerability exists due to insufficient filtration of user-supplied data (log) passed to the "SiberianCMS-master/errors/500.php" URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.

Weakness: CWE-79

Which versions are affected by CVE-2017-6906?

It affects 1 product.

Products include Siberiancms Siberiancms.

How do I fix CVE-2017-6906?

No fix has been published for CVE-2017-6906 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-2017-6906 being exploited?

There is no known exploitation of CVE-2017-6906 in the wild and no public exploit code.

Sources

Also known as GHSA-x39q-8jp5-jr57.

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