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CVE Vulnerability Details :
CVE-2021-47959
PUBLISHED
More InfoOfficial Page
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
View Known Exploited Vulnerability (KEV) details
Published At-15 May, 2026 | 18:36
Updated At-15 May, 2026 | 21:14
Rejected At-
▼CVE Numbering Authority (CNA)
WordPress Plugin WPGraphQL 1.3.5 Denial of Service

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 Products
Vendor
Wpgraphql
Product
WPGraphQL
Versions
Affected
  • 1.3.5
Problem Types
TypeCWE IDDescription
CWECWE-770Allocation of Resources Without Limits or Throttling
Type: CWE
CWE ID: CWE-770
Description: Allocation of Resources Without Limits or Throttling
Metrics
VersionBase scoreBase severityVector
4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

finder
Dolev Farhi
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.exploit-db.com/exploits/49807
exploit
https://www.wpgraphql.com/
product
https://www.vulncheck.com/advisories/wordpress-plugin-wpgraphql-denial-of-service
third-party-advisory
Hyperlink: https://www.exploit-db.com/exploits/49807
Resource:
exploit
Hyperlink: https://www.wpgraphql.com/
Resource:
product
Hyperlink: https://www.vulncheck.com/advisories/wordpress-plugin-wpgraphql-denial-of-service
Resource:
third-party-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found