CVE-2018-19953

MediumCVSS 6.1/10Known exploited (CISA KEV)Last modified Oct 1, 2026

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.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79 CWE-80

Affected software

Vendor	Product	Versions
QNAP Systems Inc.	QTS	>= unspecified, < 4.4.2.1231
QNAP Systems Inc.	QTS	>= unspecified, < 4.4.1.1201
QNAP Systems Inc.	QTS	>= unspecified, < 4.3.6.1218
QNAP Systems Inc.	QTS	>= unspecified, < 4.3.4.1190
QNAP Systems Inc.	QTS	>= unspecified, < 4.3.3.1161; >= unspecified, < 4.2.6

References

https://www.qnap.com/zh-tw/security-advisory/qsa-20-01Vendor Advisory
https://www.qnap.com/zh-tw/security-advisory/qsa-20-01Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19953US Government Resource

Timeline

Published: Oct 28, 2020
Last modified: Oct 1, 2026
Added to CISA KEV: May 24, 2022
NVD status: Analyzed

Related CVEs from 2018

CVE-2018-199546.1The cross-site scripting vulnerability has been reported to affect earlier versions of Photo Station. If exploited, the vulnerability could CVE-2018-199556.1The cross-site scripting vulnerability has been reported to affect earlier versions of Photo Station. If exploited, the vulnerability could CVE-2018-199566.1The cross-site scripting vulnerability has been reported to affect earlier versions of Photo Station. If exploited, the vulnerability could CVE-2018-199576.1A vulnerability involving insufficient HTTP security headers has been reported to affect QNAP NAS running QTS, QuTS hero, and QuTScloud. Thi CVE-2018-19965.3IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could provide weaker than expected security, caused by the improper TLS configuratio CVE-2018-199607.0The debug_mode function in web/web.py in OnionShare through 1.3.1, when --debug is enabled, uses the /tmp/onionshare_server.log pathname for CVE-2018-199617.8An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB CVE-2018-199627.8An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because smal CVE-2018-199637.8An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privil CVE-2018-199646.5An issue was discovered in Xen 4.11.x allowing x86 guest OS users to cause a denial of service (host OS hang) because the p2m lock remains u CVE-2018-199655.6An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] CVE-2018-199668.8An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain h