Vulnerability identifier: #VU16770
Vulnerability risk: Low
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/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. A remote attacker can trick the victim to follow a specially crafted link 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
Update to version 4.3.6.0805 build 20181228.
Vulnerable software versions
QNAP QTS: 4.3.2 - 4.3.5.0769 20181123, 4.4.0.0752 20181112 - 4.4.0.0767 20181127, 4.2.2 - 4.2.6 20181026, 4.1.4
External links
http://www.qnap.com/en/releasenotes/index.php?cat_choose=&p=1
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?
No. We are not aware of malware exploiting this vulnerability.