Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-28803— Stored XSS Vulnerability in Q'center

Quick assessment

Affected
QNAP Systems Inc. Q'center
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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。

AI Predicted 5.0 Difficulty: Theoretical EPSS 0.47% · P39

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-28803

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Stored XSS Vulnerability in Q'center
Source: CVE Program / CVE List V5
Vulnerability Description
This issue affects: QNAP Systems Inc. Q'center versions prior to 1.11.1004.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
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
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-28803

请登录查看更多情报信息。

Other References for CVE-2021-28803 (1)

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 vendor: QNAP Systems Inc.
Same weakness: CWE-80

V. Comments for CVE-2021-28803

No comments yet

Leave a comment