Is CVE-2018-19953 actively exploited?

CVE-2018-19953 has no public evidence of in-the-wild exploitation as of 2025-11-03.

What is the CVSS score for CVE-2018-19953?

CVE-2018-19953 has a CVSS score of 6.1 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

How do I patch CVE-2018-19953?

Patch guidance is available from qnap security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-19953.

Which products are affected by CVE-2018-19953?

12 products: qnap qts, qnap qts, qnap qts, qnap qts, qnap qts, and 7 more.

CVE-2018-19953 - remediation guidance & executive summary

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: changed
Confidentiality: low
Integrity: low
Availability: none
Weaknesses: CWE-79 · Cross-site Scripting (XSS)CWE-80 CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: QNAP
Published: 10/28/2020
Last Modified: 11/3/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

qnap : qtsqnap : qtsqnap : qtsqnap : qtsqnap : qtsqnap : qtsqnap : qtsqnap : qtsqnap : qtsqnap : qtsqnap : qtsqnap : qts

Remediation Guidance

Executive Summary

View on NIST NVD