Reflected XSS in GraphQL Playground

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.

References

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