CVSS 3.1
7.4 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:NCVE-2020-4038
High (7.4) in prisma. EPSS 7.2% chance of exploitation in the next 30 days. Fixed in graphql-playground-html 1.6.22.
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.
Severity
- EPSS
- 7.2% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
- CWE
- CWE-79
- Published
- Modified
- Record from
- the NVD, synced
Affected
- prisma:graphql-playground-html
- prisma:graphql-playground-middleware-express
- prisma:graphql-playground-middleware-hapi
- prisma:graphql-playground-middleware-koa
- prisma:graphql-playground-middleware-lambda
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-4852-vrh7-28rf | npm | graphql-playground-html | <1.6.22 | 1.6.22 |
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
- https://github.com/prisma-labs/graphql-playground#security-details
- https://github.com/prisma-labs/graphql-playground/commit/bf1883db538c97b076801a60677733816cb3cfb7