Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://www.exploit-db.com/exploits/49807
- https://www.vulncheck.com/advisories/wordpress-plugin-wpgraphql-denial-of-servic
- https://www.wpgraphql.com/
FAQ
What is CVE-2021-47959?
CVE-2021-47959 is a vulnerability with a CVSS score of 7.5 (HIGH). 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....
How severe is CVE-2021-47959?
CVE-2021-47959 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47959?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.