CVE-2021-47963— Anote 1.0 Persistent Cross-Site Scripting Leading to Code Execution
Quick assessment
Affected
AnotherNote Anote
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
anote是AnotherNote开源的一款支持Markdown的简易开源笔记应用。 Anote 1.0版本存在跨站脚本漏洞，该漏洞源于持久型跨站脚本问题，可能导致攻击者通过向应用程序中存储的markdown文件注入恶意有效载荷执行任意代码。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by CompromiseAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| AnotherNote | Anote | 1.0 |
affected |
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I. Basic Information for CVE-2021-47963
Vulnerability Information
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Vulnerability Title
Anote 1.0 Persistent Cross-Site Scripting Leading to Code Execution
Source: CVE Program / CVE List V5
Vulnerability Description
Anote 1.0 contains a persistent cross-site scripting vulnerability that allows attackers to execute arbitrary code by injecting malicious payloads into markdown files stored within the application. Attackers can craft malicious markdown files with embedded JavaScript that executes system commands when opened, enabling remote code execution on the victim's computer.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
anote 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
anote是AnotherNote开源的一款支持Markdown的简易开源笔记应用。 Anote 1.0版本存在跨站脚本漏洞，该漏洞源于持久型跨站脚本问题，可能导致攻击者通过向应用程序中存储的markdown文件注入恶意有效载荷执行任意代码。
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 |
|---|---|---|---|---|
| AnotherNote | Anote | 1.0 | - |
|
II. Public POCs for CVE-2021-47963
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
Qwen3.6-35B-A3B
· 7657 chars
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III. Intelligence Information for CVE-2021-47963
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Vendor Advisories for CVE-2021-47963 (1)
Exploits & Public PoCs for CVE-2021-47963 (1)
Other References for CVE-2021-47963 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2021-47963
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