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CVE-2018-19943
CWE-79
Critical
91.9
RPSRPS range: 0–105; KEV-listed vulnerabilities can receive an exploitation amplifier.
Description
If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed these issues in the following QTS versions. QTS 4.4.2.1270 build 20200410 and later QTS 4.4.1.1261 build 20200330 and later QTS 4.3.6.1263 build 20200330 and later QTS 4.3.4.1282 build 20200408 and later QTS 4.3.3.1252 build 20200409 and later QTS 4.2.6 build 20200421 and later
Source: NVD
Signals
- CVSS
- 8.0
- High · v3.1
- EPSS
- 21.47%
- Probability of exploitation in the next 30 days (FIRST)
- CISA KEV
- In CISA KEV since May 2022
- Fix commit
- No known fix commit
- Sources: MoreFixes, FreshFixes
- Weakness
- CWE-79
- Published
- 28 Oct 2020
- Last modified 13 Aug 2026
How to read these signals: RPS · EPSS · CISA KEV · Data sources
Get this score from the API
curl -H "Authorization: Bearer dsec_live_xxxxxxxx" \
https://api.intelligence.devsecure.io/api/v1/rps/CVE-2018-19943Replace the placeholder with your key. Get a free API key or rank your own CVEs.
Data as of 7 Oct 2026, 05:16 UK time