CVE-2018-19942 Cross-site Scripting Vulnerability in File Station
Remote attackers can inject malicious scripts into File Station, potentially leading to code execution or account takeover on QNAP NAS devices.
- 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-2018-19942?
CVE-2018-19942 is a medium-severity cross-site scripting vulnerability in Qnap Qts, published on 16 Apr 2021. 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
A cross-site scripting (XSS) vulnerability has been reported to affect earlier versions of File Station. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions: QTS 4.5.2.1566 build 20210202 (and later) QTS 4.5.1.1456 build 20201015 (and later) QTS 4.3.6.1446 build 20200929 (and later) QTS 4.3.4.1463 build 20201006 (and later) QTS 4.3.3.1432 build 20201006 (and later) QTS 4.2.6 build 20210327 (and later) QuTS hero h4.5.1.1472 build 20201031 (and later) QuTScloud c4.5.4.1601 build 20210309 (and later) QuTScloud c4.5.3.1454 build 20201013 (and later)
Which versions are affected by CVE-2018-19942?
It affects 3 products.
Products include Qnap Qts, Qnap Quts Hero, Qnap Qutscloud.
How do I fix CVE-2018-19942?
No fix has been published for CVE-2018-19942 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-2018-19942 being exploited?
There is no known exploitation of CVE-2018-19942 in the wild and no public exploit code.
Other vulnerabilities in Qnap Qts
Sources
Also known as GHSA-v5p8-3v95-73c8.