Skip to content
VulniPulse
Medium6.1QNAP Exploited CISA KEV

Medium [CVE-2018-19953] QTS: If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code.

This medium-severity QNAP advisory covers CVE-2018-19953 affecting QTS.

CVE-2018-19953 Published Oct 28, 2020Updated by vendor Jun 17, 2026
Affected products & platforms
QNAPQTS
Open vendor advisory

Android app · Google Play

Monitor future QNAP CVEs from your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.

Matching phone alertsOptional email delivery

Summary

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.

CISA Known Exploited Vulnerability

Listed:
May 24, 2022 · federal remediation due Jun 14, 2022
Required action:
Apply updates per vendor instructions.
Ransomware use:
Known

KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · medium-confidence parse· fetched 2 months ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · medium-confidence parse· fetched 2 months ago·verify at source

Mitigation

The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.

Official advisory · medium-confidence parse· fetched 2 months ago·verify at source

Discussion(0)

No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.

Sign in to join the discussion.