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CVE-2021-27907— Apache Superset stored XSS on Dashboard markdown

Quick assessment

Affected
Apache Software Foundation Apache Superset
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Superset up是美国 （Apache）公司的一个应用软件。提供大型分布式环境中横向扩展设计。 Apache Superset up to and including 0.38.0 存在安全漏洞，攻击者可利用该漏洞注入javascript代码，在用户浏览器的上下文中执行不需要的操作。

AI Predicted 8.1 Difficulty: Easy EPSS 86.39% · P100

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-27907

Vulnerability Information
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Vulnerability Title
Apache Superset stored XSS on Dashboard markdown
Source: CVE Program / CVE List V5
Vulnerability Description
Apache Superset up to and including 0.38.0 allowed the creation of a Markdown component on a Dashboard page for describing chart's related information. Abusing this functionality, a malicious user could inject javascript code executing unwanted action in the context of the user's browser. The javascript code will be automatically executed (Stored XSS) when a legitimate user surfs on the dashboard page. The vulnerability is exploitable creating a “div” section and embedding in it a “svg” element with javascript code.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
Apache Superset 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Superset up是美国 （Apache）公司的一个应用软件。提供大型分布式环境中横向扩展设计。 Apache Superset up to and including 0.38.0 存在安全漏洞，攻击者可利用该漏洞注入javascript代码，在用户浏览器的上下文中执行不需要的操作。
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

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Superset Apache Superset ~ 0.38.0 -

II. Public POCs for CVE-2021-27907

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III. Intelligence Information for CVE-2021-27907

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Mailing List Discussions for CVE-2021-27907 (1)

IV. Related Vulnerabilities

Same product: Apache Superset
Same vendor: Apache Software Foundation
Same weakness: CWE-79

V. Comments for CVE-2021-27907

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