Vulnerability CVE-2020-4038
Published: 2020-06-08

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.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Prisma -> Graphql-playground-html 
Prisma -> Graphql-playground-middleware-express 
Prisma -> Graphql-playground-middleware-hapi 
Prisma -> Graphql-playground-middleware-koa 
Prisma -> Graphql-playground-middleware-lambda 

 References:
https://github.com/prisma-labs/graphql-playground#security-details
https://github.com/prisma-labs/graphql-playground/commit/bf1883db538c97b076801a60677733816cb3cfb7
https://github.com/prisma-labs/graphql-playground/security/advisories/GHSA-4852-vrh7-28rf
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