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I. Basic Information for CVE-2020-26286
Vulnerability Information

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Vulnerability Title
Arbitary file upload
Source: NVD (National Vulnerability Database)
Vulnerability Description
HedgeDoc is a collaborative platform for writing and sharing markdown. In HedgeDoc before version 1.7.1 an unauthenticated attacker can upload arbitrary files to the upload storage backend including HTML, JS and PHP files. The problem is patched in HedgeDoc 1.7.1. You should however verify that your uploaded file storage only contains files that are allowed, as uploaded files might still be served. As workaround it's possible to block the `/uploadimage` endpoint on your instance using your reverse proxy. And/or restrict MIME-types and file names served from your upload file storage.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
危险类型文件的不加限制上传
Source: NVD (National Vulnerability Database)
Vulnerability Title
Hedgedoc 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hedgedoc是Hedgedoc团队的一个基于Javascript的Markdown文档实时编辑分享平台。 HedgeDoc 1.7.1之前版本存在安全漏洞,未经认证的攻击者可利用该漏洞可以上传任意文件到上传存储后端,包括HTML、JS和PHP文件。
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
hedgedochedgedoc < 1.7.1 -
II. Public POCs for CVE-2020-26286
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III. Intelligence Information for CVE-2020-26286
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IV. Related Vulnerabilities
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