CVE-2018-19953 is a vulnerability in Qnap Qts
Published on October 28, 2020

If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed the issue in the following QTS versions. QTS 4.4.2.1231 on build 20200302; QTS 4.4.1.1201 on build 20200130; QTS 4.3.6.1218 on build 20200214; QTS 4.3.4.1190 on build 20200107; QTS 4.3.3.1161 on build 20200109; QTS 4.2.6 on build 20200109.

Vendor Advisory Vendor Advisory NVD

Known Exploited Vulnerability

This QNAP NAS File Station Cross-Site Scripting Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. A cross-site scripting vulnerability affecting QNAP NAS File Station could allow remote attackers to inject malicious code.

The following remediation steps are recommended / required by June 14, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2018-19953 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.

What is a XSS Vulnerability?

The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

CVE-2018-19953 has been classified to as a XSS vulnerability or weakness.

Products Associated with CVE-2018-19953

You can be notified by stack.watch whenever vulnerabilities like CVE-2018-19953 are published in these products:

Qnap Qts

What versions of Qts are vulnerable to CVE-2018-19953?