8

CVE-2018-19943

Warning

If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed these issues in the following QTS versions. QTS 4.4.2.1270 build 20200410 and later QTS 4.4.1.1261 build 20200330 and later QTS 4.3.6.1263 build 20200330 and later QTS 4.3.4.1282 build 20200408 and later QTS 4.3.3.1252 build 20200409 and later QTS 4.2.6 build 20200421 and later

Data is provided by the National Vulnerability Database (NVD)
QnapQts Version < 4.2.6
QnapQts Version >= 4.3.1.0013 < 4.3.3.1252
QnapQts Version >= 4.3.4 < 4.3.4.1282
QnapQts Version >= 4.3.6 < 4.3.6.1263
QnapQts Version >= 4.4.0 < 4.4.1.1261
QnapQts Version >= 4.4.2 < 4.4.2.1270
QnapQts Version4.2.6 Update-
QnapQts Version4.2.6 Updatebuild_20170517
QnapQts Version4.2.6 Updatebuild_20190322
QnapQts Version4.2.6 Updatebuild_20190730
QnapQts Version4.2.6 Updatebuild_20190921
QnapQts Version4.2.6 Updatebuild_20191107
QnapQts Version4.2.6 Updatebuild_20200109
QnapQts Version4.2.6 Updatebuild_20200421
QnapQts Version4.2.6 Updatebuild_20200611
QnapQts Version4.2.6 Updatebuild_20200821

24.05.2022: CISA Known Exploited Vulnerabilities (KEV) Catalog

QNAP NAS File Station Cross-Site Scripting Vulnerability

Vulnerability

A cross-site scripting vulnerability affecting QNAP NAS File Station could allow remote attackers to inject malicious code.

Description

Apply updates per vendor instructions.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 6.46% 0.907
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 5.4 2.3 2.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
nvd@nist.gov 3.5 6.8 2.9
AV:N/AC:M/Au:S/C:N/I:P/A:N
security@qnapsecurity.com.tw 8 1.3 6
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product 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.

CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.