CVE-2018-19953

MEDIUM KEV RANSOMWARE

QNAP - XSS

Title source: llm

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.

References (2)

[Vendor Advisory] https://www.qnap.com/zh-tw/security-advisory/qsa-20-01

[US Government Resource] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19953

Scores

CVSS v3 6.1

EPSS 0.3152

EPSS Percentile 96.8%

Attack Vector NETWORK

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

Details

CISA KEV 2022-05-24

VulnCheck KEV 2022-01-26

InTheWild.io 2020-06-08

ENISA EUVD EUVD-2018-11624

Ransomware Use Confirmed

CWE

CWE-80 CWE-79

Status published

Products (2)

qnap/qts 4.2.6 (6 CPE variants)

qnap/qts < 4.2.6

Published Oct 28, 2020

KEV Added May 24, 2022

Tracked Since Feb 18, 2026