CVE-2021-28803— Stored XSS Vulnerability in Q'center
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I. Basic Information for CVE-2021-28803
Vulnerability Information
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Vulnerability Title
Stored XSS Vulnerability in Q'center
Source: NVD (National Vulnerability Database)
Vulnerability Description
This issue affects: QNAP Systems Inc. Q'center versions prior to 1.11.1004.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
QNAP Qcenter 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qnap Systems QCenter是中国威联通（Qnap Systems）公司的一个中央管理平台，可让您整合多个 QNAP NAS 的管理。 QNAP Qcenter 中存在跨站脚本漏洞，该漏洞源于产品缺少对用户数据进行安全验证，攻击者可通过该漏洞执行客户端代码。以下产品及版本受到影响：QNAP Qcenter 1.11.1004 版本及之前的版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| QNAP Systems Inc. | Q'center | unspecified ~ 1.11.1004 | - |
II. Public POCs for CVE-2021-28803
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.qnap.com/zh-tw/security-advisory/qsa-21-31x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-28803
Same Patch Batch · QNAP Systems Inc. · 2021-07-01 · 5 CVEs total
| CVE-2020-36194 | 6.1 MEDIUM | XSS Vulnerability in QTS and QuTS heroCommand Injection Vulnerabilities in QTS and QuTS he |
| CVE-2021-28804 | Command Injection Vulnerabilities in QTS and QuTS hero | |
| CVE-2021-28802 | Command Injection Vulnerabilities in QTS and QuTS hero | |
| CVE-2020-36196 | Stored XSS Vulnerability in QuLog Center |
IV. Related Vulnerabilities
Same weakness: CWE-80
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HTML Injection in DivvyDrive Information Technologies' Divvy - CVE-2025-59854
HCL DFXAnalytics is affected by an Insecure Security Header
V. Comments for CVE-2021-28803
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