HIGHCVSS 8.0Actively exploited · CISA KEV since 2022-05-24Vulnerability

CVE-2018-19943

A cross-site scripting vulnerability affecting QNAP NAS File Station could allow remote attackers to inject malicious code.

Properties

Euvd product
QTS
Vulnerability name
QNAP NAS File Station Cross-Site Scripting Vulnerability
First seen
2026-08-13T03:55:39+00:00
Cvss score
8
Epss score
0.21476
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-06-14
Euvd assigner
qnap
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2022-05-24T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2022-05-24
Euvd base score version
3.1
Score
8
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
QNAP Systems Inc.
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
8

Related Entities (15)

AFFECTS_PRODUCT (11)

→[Product]cpe:2.3:o:qnap:qts:4.2.6:build_20200611:*:*:*:*:*:*
→[Product]cpe:2.3:o:qnap:qts:4.2.6:build_20200421:*:*:*:*:*:*
→[Product]cpe:2.3:o:qnap:qts:4.2.6:build_20200109:*:*:*:*:*:*
→[Product]cpe:2.3:o:qnap:qts:4.2.6:build_20191107:*:*:*:*:*:*
→[Product]cpe:2.3:o:qnap:qts:4.2.6:-:*:*:*:*:*:*
→[Product]cpe:2.3:o:qnap:qts:4.2.6:build_20200821:*:*:*:*:*:*
→[Product]cpe:2.3:o:qnap:qts:4.2.6:build_20190921:*:*:*:*:*:*
→[Product]cpe:2.3:o:qnap:qts:4.2.6:build_20170517:*:*:*:*:*:*
→[Product]cpe:2.3:o:qnap:qts:4.2.6:build_20190322:*:*:*:*:*:*
→[Product]cpe:2.3:o:qnap:qts:4.2.6:build_20190730:*:*:*:*:*:*
→[Product]cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*

HAS_WEAKNESS (2)

→[Weakness]Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
→[Weakness]Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

DESCRIBES (1)

←[KEVEntry]QNAP NAS File Station Cross-Site Scripting Vulnerability

INVOLVES (1)

←[Signal]kev_added · 2022-05-24

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CVE-2018-19943 (CVSS 8) — Ninja Signal Threat Intelligence | Ninja Signal