CVE-2018-19942

mediumpriority · track · 24EPSS 0.007 · 55 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.75% (55th) EPSS

CVSS 4.3 · medium

Is it mine?

101 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

A cross-site scripting (XSS) vulnerability has been reported to affect earlier versions of File Station. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions: QTS 4.5.2.1566 build 20210202 (and later) QTS 4.5.1.1456 build 20201015 (and later) QTS 4.3.6.1446 build 20200929 (and later) QTS 4.3.4.1463 build 20201006 (and later) QTS 4.3.3.1432 build 20201006 (and later) QTS 4.2.6 build 20210327 (and later) QuTS hero h4.5.1.1472 build 20201031 (and later) QuTScloud c4.5.4.1601 build 20210309 (and later) QuTScloud c4.5.3.1454 build 20201013 (and later)

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-80US

affected products (101)

Products and version ranges known to be affected.

QNAP Systems Inc. QTSunspecified → 4.2.6 build 20210327enisa_euvdEU
QNAP Systems Inc. QTSunspecified → 4.3.3.1432 build 20201006enisa_euvdEU
QNAP Systems Inc. QTSunspecified → 4.3.4.1463 build 20201006enisa_euvdEU
QNAP Systems Inc. QTSunspecified → 4.3.6.1446 build 20200929enisa_euvdEU
QNAP Systems Inc. QTSunspecified → 4.5.1.1456 build 20201015enisa_euvdEU
QNAP Systems Inc. QTSunspecified → 4.5.2.1566 build 20210202enisa_euvdEU
QNAP Systems Inc. QuTS herounspecified → h4.5.1.1472 build 20201031enisa_euvdEU
QNAP Systems Inc. QuTScloudunspecified → c4.5.3.1454 build 20201013enisa_euvdEU
QNAP Systems Inc. QuTScloudunspecified → c4.5.4.1601 build 20210309enisa_euvdEU
qnap qts< 4.2.6nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 4.2.6nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 4.3.3nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 4.3.3.0095nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 4.3.3.0096nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 4.3.3.0136nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 4.3.3.0154nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 4.3.3.0174nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 4.3.3.0188nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 4.3.3.0210nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
qnap qts= 4.3.3.0229nvdUScpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*

showing 20 of 101

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-04-16modified 2026-06-17

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+53061 more

references (5)

External citations — patches, advisories, analysis.

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