CVE-2018-19953

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.

Score

CVSS 3.1 6.1 Medium

Status

Analyzed - security@qnapsecurity.com.tw

Published

2020-10-28

Last modified

2026-10-01

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-2018-19953