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I. Basic Information for CVE-2026-3884
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
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
VendorProductAffected VersionsCPESubscribe
-spin.js 0 ~ 3.0.0 -
II. Public POCs for CVE-2026-3884
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III. Intelligence Information for CVE-2026-3884
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IV. Related Vulnerabilities
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