CVE-2018-19943

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

Score

CVSS 3.1 8.0 High

Status

Analyzed - security@qnapsecurity.com.tw

Published

2020-10-28

Last modified

2026-08-13

Known exploited (CISA KEV)

since 2022-05-24, action due 2022-06-14: Apply updates per vendor instructions.

Weaknesses

CWE-79, CWE-80

Affected products

• Qts (Qnap)
• Qts (Qnap Systems Inc.)

References

• https://www.qnap.com/zh-tw/security-advisory/qsa-20-01
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19943