CVE-2017-9556 Cross-site scripting in Synology Video Station

Medium 5.4 Published 11 Aug 2017 Updated 16 Sep 2024

Remote authenticated attackers can inject arbitrary web script or HTML via the title parameter in Synology Video Station.

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: None listed

What is CVE-2017-9556?

CVE-2017-9556 is a medium-severity cross-site scripting vulnerability in Synology Video Station, published on 11 Aug 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

Cross-site scripting (XSS) vulnerability in Video Metadata Editor in Synology Video Station before 2.3.0-1435 allows remote authenticated attackers to inject arbitrary web script or HTML via the title parameter.

Weakness: CWE-79

Which versions are affected by CVE-2017-9556?

It affects 1 product.

Products include Synology Video Station.

How do I fix CVE-2017-9556?

No fix has been published for CVE-2017-9556 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-2017-9556 being exploited?

There is no known exploitation of CVE-2017-9556 in the wild and no public exploit code.

Sources

Also known as GHSA-vxf8-3j95-3wvq.