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I. Basic Information for CVE-2021-32661
Vulnerability Information

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Vulnerability Title
TechDocs object element script injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
Backstage is an open platform for building developer portals. In versions of Backstage's Techdocs Plugin (`@backstage/plugin-techdocs`) prior to 0.9.5, a malicious internal actor can potentially upload documentation content with malicious scripts by embedding the script within an `object` element. This may give access to sensitive data when other users visit that same documentation page. The ability to upload malicious content may be limited by internal code review processes, unless the chosen TechDocs deployment method is to use an object store and the actor has access to upload files directly to that store. The vulnerability is patched in the `0.9.5` release of `@backstage/plugin-techdocs`.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
backstage 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
backstage是一个应用软件。后台是一个开放的平台,用于构建开发者门户 backstage 中 plugin-techdocs 0.9.5之前的版本存在代码问题漏洞,该漏洞源于内部参与者可以通过一个“object”元素来上传带有恶意脚本的文档内容。当其他用户访问同一文档页面时,这可能会允许其访问敏感数据。
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
backstagebackstage < 0.9.5 -
II. Public POCs for CVE-2021-32661
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III. Intelligence Information for CVE-2021-32661
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