CVE-2017-7634 Cross-site scripting in QNAP Media Streaming Add-On

Medium 6.1 Published Updated

Remote attackers can inject arbitrary web script or HTML via crafted links in the QNAP NAS Media Streaming add-on, potentially compromising user sessions.

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-2017-7634?

CVE-2017-7634 is a medium-severity cross-site scripting vulnerability in QNAP Media Streaming Add-On, published on 8 Mar 2018. 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

Cross-site scripting (XSS) vulnerability in QNAP NAS application Media Streaming add-on version 421.1.0.2, 430.1.2.0, and earlier allows remote attackers to inject arbitrary web script or HTML. The injected code will only be triggered by a crafted link, not the normal page.

Weakness: CWE-79

Which versions are affected by CVE-2017-7634?

It affects 1 product.

Products include Qnap Media Streaming Add-On.

How do I fix CVE-2017-7634?

No fix has been published for CVE-2017-7634 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-2017-7634 being exploited?

There is no known exploitation of CVE-2017-7634 in the wild and no public exploit code.

Sources

Also known as GHSA-5g4h-rvhm-8jcr.

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