CVE-2018-19953 - CVE House
Back to Database
Status published Unknown CVE-2018-19953

If exploited, this cross-site scripting vulnerability could allow remote attackers...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2018-19953

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Independent Security Evaluators

References

More from QNAP Systems Inc.

View All →
CVE-2025-9110
QTS, QuTS hero
Low 2.7
CVE-2025-68406
Qsync Central
Low 1.3
CVE-2025-66281
QTS, QuTS hero
Medium 6.9
CVE-2025-66280
QTS, QuTS hero
Medium 5.1
CVE-2025-66279
QTS, QuTS hero
High 8.6

Affected Vendor

QNAP Systems Inc.

View all reports →

Affected Software

QTS
Vulnerable Versions:
unspecified

Timeline

Official Publish: October 28th, 2020
Last Modified: October 21st, 2025
Added to House: July 20th, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

CWE-79 CWE-80

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1059.007 JavaScript
Execution
T1539 Steal Web Session Cookie
Collection
T1213 Data from Information Repositories
Collection
T1567 Exfiltration Over Web Service
Exfiltration
T1491.001 Defacement
Impact
T1059 Command and Scripting Interpreter
Execution
T1552 Unsecured Credentials
Credential Access
T1071 Application Layer Protocol
Command and Control
T1565 Data Manipulation
Impact