VULNERABILITY INTELLIGENCE
CVE-2018-19953
CVSS score6.1 MEDIUM
EPSS probability28.98%
CISA KEVKnown exploited vulnerability
Published2020-10-28
Last modified2026-10-01
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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 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.
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
- security@qnapsecurity.com.tw — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource