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CVE-2020-4038— Reflected XSS in GraphQL Playground

Quick assessment

Affected
prisma-labs graphql-playground
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.

GraphQL Playground是德国Prisma实验室的一款基于GraphiQL的图形化、交互式、浏览器内的GraphQL IDE（集成开发环境）。 GraphQL Playground (graphql-playground-html NPM包)中存在跨站脚本漏洞。远程攻击者可借助特制的URL利用该漏洞在用户浏览器中执行脚本。以下产品及版本受到影响：graphql-playground-html 1.6.22之前版本；graphql-playground-middleware-express 1.

CVSS 7.4 · High EPSS 7.24% · P94

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2020-4038

Vulnerability Information
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Vulnerability Title
Reflected XSS in GraphQL Playground
Source: CVE Program / CVE List V5
Vulnerability Description
GraphQL Playground (graphql-playground-html NPM package) before version 1.6.22 have a severe XSS Reflection attack vulnerability. All unsanitized user input passed into renderPlaygroundPage() method could trigger this vulnerability. This has been patched in graphql-playground-html version 1.6.22. Note that some of the associated dependent middleware packages are also affected including but not limited to graphql-playground-middleware-express before version 1.7.16, graphql-playground-middleware-koa before version 1.6.15, graphql-playground-middleware-lambda before version 1.7.17, and graphql-playground-middleware-hapi before 1.6.13.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
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
GraphQL Playground 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GraphQL Playground是德国Prisma实验室的一款基于GraphiQL的图形化、交互式、浏览器内的GraphQL IDE（集成开发环境）。 GraphQL Playground (graphql-playground-html NPM包)中存在跨站脚本漏洞。远程攻击者可借助特制的URL利用该漏洞在用户浏览器中执行脚本。以下产品及版本受到影响：graphql-playground-html 1.6.22之前版本；graphql-playground-middleware-express 1.
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
prisma-labs graphql-playground < 1.6.22 -

II. Public POCs for CVE-2020-4038

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III. Intelligence Information for CVE-2020-4038

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Patches & Fixes for CVE-2020-4038 (1)

Vendor Advisories for CVE-2020-4038 (1)

Other References for CVE-2020-4038 (1)

IV. Related Vulnerabilities

Same product: graphql-playground
Same weakness: CWE-79

V. Comments for CVE-2020-4038

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