CVE-2016-7823 Cross-site scripting in WNC01WH

Medium 4.3 Published Updated

Authenticated attackers can inject arbitrary web script or HTML into Buffalo WNC01WH devices, potentially compromising user sessions or device integrity.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2016-7823?

CVE-2016-7823 is a medium-severity cross-site scripting vulnerability in BUFFALO INC. WNC01WH, published on 9 Jun 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Cross-site scripting vulnerability in Buffalo WNC01WH devices with firmware version 1.0.0.8 and earlier allows authenticated attackers to inject arbitrary web script or HTML via unspecified vectors.

Weakness: CWE-79

Which versions are affected by CVE-2016-7823?

It affects 1 product.

Products include Buffalotech Wnc01wh Firmware.

How do I fix CVE-2016-7823?

No fix has been published for CVE-2016-7823 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-2016-7823 being exploited?

There is no known exploitation of CVE-2016-7823 in the wild and no public exploit code.

Sources

Also known as GHSA-j8gg-3mj2-c9jw.

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