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CVE-2025-32379— XSS at ctx.redirect() function in Koajs

CVSS 5.0 · Medium EPSS 0.18% · P40
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I. Basic Information for CVE-2025-32379

Vulnerability Information
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Vulnerability Title
XSS at ctx.redirect() function in Koajs
Source: NVD (National Vulnerability Database)
Vulnerability Description
Koa is expressive middleware for Node.js using ES2017 async functions. In koa < 2.16.1 and < 3.0.0-alpha.5, passing untrusted user input to ctx.redirect() even after sanitizing it, may execute javascript code on the user who use the app. This issue is patched in 2.16.1 and 3.0.0-alpha.5.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
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
Koa 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Koa是Koa.js开源的一个中间件。 Koa 2.16.1之前版本和3.0.0-alpha.5之前版本存在跨站脚本漏洞，该漏洞源于将不可信用户输入传递给ctx.redirect可能导致执行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
koajskoa >= 3.0.0-alpha.0, < 3.0.0-alpha.5 -

II. Public POCs for CVE-2025-32379

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III. Intelligence Information for CVE-2025-32379

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IV. Related Vulnerabilities

Same product: koa
Same vendor: koajs
Same weakness: CWE-79

V. Comments for CVE-2025-32379

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