Vulnerability Information
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Vulnerability Title
Express.js Open Redirect in malformed URLs
Vulnerability Description
Express.js minimalist web framework for node. Versions of Express.js prior to 4.19.0 and all pre-release alpha and beta versions of 5.0 are affected by an open redirect vulnerability using malformed URLs. When a user of Express performs a redirect using a user-provided URL Express performs an encode [using `encodeurl`](https://github.com/pillarjs/encodeurl) on the contents before passing it to the `location` header. This can cause malformed URLs to be evaluated in unexpected ways by common redirect allow list implementations in Express applications, leading to an Open Redirect via bypass of a properly implemented allow list. The main method impacted is `res.location()` but this is also called from within `res.redirect()`. The vulnerability is fixed in 4.19.2 and 5.0.0-beta.3.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Vulnerability Title
Express.js 安全漏洞
Vulnerability Description
Express.js是Express.js开源的一个 Node.js 的快速、无限制、极简的 web 框架。 Express.js 4.19.0之前版本、5.0版本存在安全漏洞，该漏洞源于允许使用格式错误的 URL 开放重定向。
CVSS Information
N/A
Vulnerability Type
N/A