CVE-2020-4038

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.

• CWE-79

• https://github.com/prisma-labs/graphql-playground#security-detailsThird Party Advisory
• https://github.com/prisma-labs/graphql-playground/commit/bf1883db538c97b076801a60677733816cb3cfb7Patch, Third Party Advisory
• https://github.com/prisma-labs/graphql-playground/security/advisories/GHSA-4852-vrh7-28rfMitigation, Third Party Advisory
• https://github.com/prisma-labs/graphql-playground#security-detailsThird Party Advisory
• https://github.com/prisma-labs/graphql-playground/commit/bf1883db538c97b076801a60677733816cb3cfb7Patch, Third Party Advisory
• https://github.com/prisma-labs/graphql-playground/security/advisories/GHSA-4852-vrh7-28rfMitigation, Third Party Advisory

Published

Jun 8, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2020-4030In FreeRDP before version 2.1.2, there is an out of bounds r…6.5
• CVE-2020-4031In FreeRDP before version 2.1.2, there is a use-after-free i…7.5
• CVE-2020-4032In FreeRDP before version 2.1.2, there is an integer casting…4.3
• CVE-2020-4033In FreeRDP before version 2.1.2, there is an out of bounds r…6.5
• CVE-2020-4035In WatermelonDB (NPM package "@nozbe/watermelondb") before v…5.9
• CVE-2020-4037In OAuth2 Proxy from version 5.1.1 and less than version 6.0…5.4
• CVE-2020-4039SUSI.AI is an intelligent Open Source personal assistant. SU…9.1
• CVE-2020-4040Bolt CMS before version 3.7.1 lacked CSRF protection in the …4.3
• CVE-2020-4041In Bolt CMS before version 3.7.1, the filename of uploaded f…6.1
• CVE-2020-4042Bareos before version 19.2.8 and earlier allows a malicious …6.8
• CVE-2020-4043phpMussel from versions 1.0.0 and less than 1.6.0 has an uns…9.8
• CVE-2020-4044The xrdp-sesman service before version 0.9.13.1 can be crash…7.8