CVE-2018-15699 Cross-site scripting in ASUSTOR Data Master

Medium 6.1 Published Updated

A man-in-the-middle attacker can inject JavaScript into the configuration file Version field via HTTP, leading to XSS in ASUSTOR Data Master.

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-2018-15699?

CVE-2018-15699 is a medium-severity cross-site scripting vulnerability in Tenable ASUSTOR Data Master, published on 27 Aug 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

ASUSTOR Data Master 3.1.5 and below makes an HTTP request for a configuration file that is vulnerable to XSS. A man in the middle can take advantage of this by inserting Javascript into the configuration files Version field.

Weakness: CWE-79

Which versions are affected by CVE-2018-15699?

It affects 1 product.

Products include Asustor Data Master.

How do I fix CVE-2018-15699?

No fix has been published for CVE-2018-15699 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-2018-15699 being exploited?

There is no known exploitation of CVE-2018-15699 in the wild and no public exploit code.

Sources

Also known as GHSA-89fx-4q7j-4cp4.

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