PT-2026-41340 · Wpgraphql · Wpgraphql

Dolev Farhi · Published 2026-05-15 · Updated 2026-05-15 · CVE-2021-47959

NVD

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Exploit

Fix

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2021-47959

Affected Products

Wpgraphql

References · 4

• 🔥 https://exploit-db.com/exploits/49807 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-47959 · Security Note
• https://wpgraphql.com · Note
• https://vulncheck.com/advisories/wordpress-plugin-wpgraphql-denial-of-service · Note