CVE-2021-47959
High · 7.5CVSS
7.5
EPSS
0.5%
Published
May 15, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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