We’re taking on a small number of new builds and rebuilds this quarter. Book a call to see if your project is a fit.

CVE CVE-2021-47959

CVE-2021-47959

WordPress

Severity: HIGH
CVSS: 7.5CVSS
Published: 2026-05-15
Last modified: 2026-05-15
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE: CWE-770

Description

WordPress Plugin WPGraphQL 1.3.5 contains a denial of service vulnerability that allows unauthenticated attackers to exhaust server resources by sending batched GraphQL queries with duplicated fields. Attackers can send POST requests to the GraphQL endpoint with amplified field duplication payloads to trigger server out-of-memory conditions and MySQL connection errors.

References

https://www.exploit-db.com/exploits/49807
https://www.vulncheck.com/advisories/wordpress-plugin-wpgraphql-denial-of-service
https://www.wpgraphql.com/

Summary

Description

References