Vulnerability identifier: #VU28779
Vulnerability risk: Low
CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
QNAP QTS
Server applications /
File servers (FTP/HTTP)
Vendor: QNAP Systems, Inc.
Description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in File Station. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
QNAP QTS: 4.4.1.0948 20190527 - 4.4.1.1201 20200130
External links
http://www.qnap.com/en/release-notes/qts/4.4.1.1216/20200214
http://blog.securityevaluators.com/multiple-vulnerabilities-discovered-in-qnap-nass-303b720d487b
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.