CVE-2026-3884
Quick assessment
Affected
n/a spin.js
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.
spin.js是Felix Gnass个人开发者的一个JavaScript库。 spin.js 3.0.0之前版本存在安全漏洞，该漏洞源于spin函数存在原型污染和跨站脚本漏洞，可能导致攻击者在用户浏览器环境中执行任意JavaScript代码。
Possible ATT&CK Techniques 3 AI
T1059.001 · PowerShell T1190 · Exploit Public-Facing Application T1059.007 · JavaScript
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I. Basic Information for CVE-2026-3884
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Versions of the package spin.js before 3.0.0 are vulnerable to Cross-site Scripting (XSS) via the spin() function that allows a creation of more than 1 alert for each 'target' element. An attacker would need to set an arbitrary key-value pair on Object.prototype through a crafted URL achieving a prototype pollution first, before being able to execute arbitrary JavaScript in the context of the user's browser.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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
spin.js 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
spin.js是Felix Gnass个人开发者的一个JavaScript库。 spin.js 3.0.0之前版本存在安全漏洞，该漏洞源于spin函数存在原型污染和跨站脚本漏洞，可能导致攻击者在用户浏览器环境中执行任意JavaScript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 |
|---|---|---|---|---|
| - | spin.js | 0 ~ 3.0.0 | - |
|
II. Public POCs for CVE-2026-3884
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-3884 (1)
Proof of Concept for CVE-2026-3884 (1)
Same Patch Batch · n/a · 2026-03-11 · 12 CVEs total
| CVE-2026-3955 | 6.3 MEDIUM | elecV2P jsfile Endpoint wbjs.js runJSFile code injection |
| CVE-2026-3964 | 5.3 MEDIUM | OpenAkita Chat API Endpoint shell.py run os command injection |
| CVE-2026-3946 | 3.5 LOW | PHPEMS index.php cross site scripting |
| CVE-2025-70027 | sunbird-portal 安全漏洞 | |
| CVE-2025-70330 | Orbis Easy Grade Pro 安全漏洞 | |
| CVE-2025-67298 | ClassroomIO.com 安全漏洞 | |
| CVE-2026-30741 | OpenClaw 安全漏洞 | |
| CVE-2025-68623 | Microsoft DirectX End-User Runtime Web Installer 安全漏洞 | |
| CVE-2025-66956 | Asseco SEE Live 安全漏洞 | |
| CVE-2025-70024 | generatedata 安全漏洞 | |
| CVE-2025-70041 | ThermaKube 安全漏洞 |
IV. Related Vulnerabilities
Same vendor: n/a
Same weakness: CWE-79
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V. Comments for CVE-2026-3884
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