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CVE-2020-4038

7.4 · HIGH

GraphQL Playground (graphql-playground-html NPM package) before version 1.6.22 have a severe XSS Reflection attack vulnerability.

Published Jun 8, 2020CWE-79EPSS 7.24%

Overview

CVE-2020-4038 is a high-severity vulnerability. It was published on June 8, 2020 and has a CVSS 3.1 base score of 7.4 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/prisma-labs/graphql-playground#security-detailsGitHubgithub.com/prisma-labs/graphql-playground/commit/bf1883db538c97b076801a60677733816cb3cfb7GitHubgithub.com/prisma-labs/graphql-playground/security/advisories/GHSA-4852-vrh7-28rfGitHubgithub.com/prisma-labs/graphql-playground#security-detailsGitHubgithub.com/prisma-labs/graphql-playground/commit/bf1883db538c97b076801a60677733816cb3cfb7GitHubgithub.com/prisma-labs/graphql-playground/security/advisories/GHSA-4852-vrh7-28rf

How CyberStrike helps

Frequently asked questions

What is CVE-2020-4038?

CVE-2020-4038 is a high-severity vulnerability. It was published on June 8, 2020 and has a CVSS 3.1 base score of 7.4 (HIGH).

How severe is CVE-2020-4038?

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-4038?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-4038?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-4038 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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