CVE-2020-4038

Reflected XSS in GraphQL Playground

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.

Category

7.4
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 33.49% Top 5%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: prisma-labs graphql-playground
Published at:
Updated at:

References

Link Tags
https://github.com/prisma-labs/graphql-playground/security/advisories/GHSA-4852-vrh7-28rf third party advisory mitigation
https://github.com/prisma-labs/graphql-playground/commit/bf1883db538c97b076801a60677733816cb3cfb7 third party advisory patch
https://github.com/prisma-labs/graphql-playground#security-details third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-4038?
CVE-2020-4038 has been scored as a high severity vulnerability.
How to fix CVE-2020-4038?
To fix CVE-2020-4038, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-4038 being actively exploited in the wild?
It is possible that CVE-2020-4038 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~33% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-4038?
CVE-2020-4038 affects prisma-labs graphql-playground.
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