CVE-2016-5819 Cross-site scripting in OnCell G3100V2 Series

Medium 6.1 Published Updated

Reflected cross-site scripting in Moxa industrial gateways allows attackers to execute arbitrary scripts in user browsers.

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-2016-5819?

CVE-2016-5819 is a medium-severity cross-site scripting vulnerability in Moxa OnCell G3100V2 Series, published on 21 Mar 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

Moxa G3100V2 Series, editions prior to Version 2.8, and OnCell G3111/G3151/G3211/G3251 Series, editions prior to Version 1.7 allows a reflected cross-site scripting attack which may allow an attacker to execute arbitrary script code in the user’s browser within the trust relationship between their browser and the server.

Weakness: CWE-79

Which versions are affected by CVE-2016-5819?

It affects 5 products.

Products include Moxa Oncell G3100v2 Firmware, Moxa Oncell G3111 Firmware, Moxa Oncell G3151 Firmware, Moxa Oncell G3211 Firmware, Moxa Oncell G3251 Firmware.

How do I fix CVE-2016-5819?

No fix has been published for CVE-2016-5819 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-2016-5819 being exploited?

There is no known exploitation of CVE-2016-5819 in the wild and no public exploit code.

Sources

Also known as GHSA-jw53-g5p8-77fr.

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