CVEs / CVE-2018-19953
CVE-2018-19953: QNAP NAS File Station Cross-Site Scripting Vulnerability
- Known exploited in the CISA KEV catalog since 24 May 2022
- medium 6.1 CVSS 3.1 (NVD)
- EPSS 30.5% chance of exploitation in the next 30 days, higher than 98% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
A cross-site scripting vulnerability affecting QNAP NAS File Station could allow remote attackers to inject malicious code.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| QNAP Systems Inc. QTS | from unspecified, before 4.4.2.1231 | 4.4.2.1231 |
| QNAP Systems Inc. QTS | from unspecified, before 4.4.1.1201 | 4.4.1.1201 |
| QNAP Systems Inc. QTS | from unspecified, before 4.3.6.1218 | 4.3.6.1218 |
| QNAP Systems Inc. QTS | from unspecified, before 4.3.4.1190 | 4.3.4.1190 |
| QNAP Systems Inc. QTS | from unspecified, before 4.3.3.1161 | 4.3.3.1161 |
| QNAP Systems Inc. QTS | from unspecified, before 4.2.6 | 4.2.6 |
Exploitation
| In CISA KEV since | 24 May 2022 |
|---|---|
| Due date for US federal agencies | 14 Jun 2022 |
| Used in ransomware campaigns | Known |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 6.1 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NScored by NVD |
|---|---|
| Weakness | CWE-79, CWE-80 |
References
- CVE-2018-19953 on NVD
- CVE-2018-19953 in the CISA KEV catalog
- https://www.qnap.com/zh-tw/security-advisory/qsa-20-01 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19953 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.