VULNERABILITY INTELLIGENCE

CVE-2018-19943

CVSS score8 HIGH
EPSS probability22.68%
CISA KEVKnown exploited vulnerability
Published2020-10-28
Last modified2026-08-13
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H

Known Exploited Vulnerability

QNAP NAS File Station Cross-Site Scripting Vulnerability

Vendor / product: QNAP / Network Attached Storage (NAS)

Description

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

Weakness classification

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
  • CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Primary references