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Wpgraphql CVE-2019-9880

CRITICAL
Missing Authentication for Critical Function (CWE-306)
2019-06-10 cve@mitre.org
9.1
CVSS 3.0 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication required for critical functions
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.1 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A remote attacker could access critical functionality without authentication by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL + EPSS > 30%, no patch available.
No patch listed yet 34.8% exploitation probability (EPSS)

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AnalysisAI

An issue was discovered in the WPGraphQL 0.2.3 plugin for WordPress. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. An issue was discovered in the WPGraphQL 0.2.3 plugin for WordPress. By querying the 'users' RootQuery, it is possible, for an unauthenticated attacker, to retrieve all WordPress users details such as email address, role, and username. Affected products include: Wpengine Wpgraphql.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.1 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

DescriptionNVD

An issue was discovered in the WPGraphQL 0.2.3 plugin for WordPress. By querying the 'users' RootQuery, it is possible, for an unauthenticated attacker, to retrieve all WordPress users details such as email address, role, and username.

Threat Intelligence Overview

EPSS Score
34.8%
Top 2% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC Yes
EPSS 34.8%
Patch available No
Active threat Yes
Deciding rule
CRITICAL + EPSS > 30%, no patch available
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

101
Low Medium High Critical
KEV: 0
EPSS: +35
CVSS: +46
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:wpengine:wpgraphql:0.2.3:*:*:*:*:wordpress:*:*
CVE-2019-9879 CRITICAL POC
9.8 Jun 10

The WPGraphQL 0.2.3 plugin for WordPress allows remote attackers to register a new user with admin privileges, whenever

CVE-2021-47959 HIGH POC
8.7 May 15

WordPress Plugin WPGraphQL 1.3.5 contains a denial of service vulnerability that allows unauthenticated attackers to exh

CVE-2019-9881 MEDIUM POC
5.3 Jun 10

The createComment mutation in the WPGraphQL 0.2.3 plugin for WordPress allows unauthenticated users to post comments on

CVE-2026-40762 HIGH
7.5 Jun 15

Unauthenticated SQL injection in the WPGraphQL WordPress plugin versions prior to 2.11.1 allows remote attackers to inje

CVE-2026-119702 MEDIUM
6.9 Oct 30

Unauthenticated callers can create comments on WordPress content they are not allowed to see through the createComment G

CVE-2026-119701 MEDIUM
6.9 Oct 30

Unauthenticated email flooding in WPGraphQL 2.24.0 and earlier lets a remote attacker send roughly a thousand password r

CVE-2026-119700 MEDIUM
6.9 Oct 30

WPGraphQL 2.24.0 and earlier leak object existence through four GraphQL write mutations - deleteMediaItem, updateMediaIt

CVE-2026-119699 MEDIUM
6.9 Oct 30

Unbounded automatic persisted-query storage in WPGraphQL Smart Cache 2.3.2 and earlier lets unauthenticated remote attac

CVE-2025-68604 MEDIUM
5.4 May 07

Cross-site request forgery (CSRF) in WPGraphQL plugin versions up to 2.5.3 allows unauthenticated attackers to perform u

CVE-2026-109703 MEDIUM
5.3 Oct 13

Unauthenticated retrieval of embedded sensitive data is possible on WordPress sites running the WPGraphQL plugin through

CVE-2023-23684 MEDIUM
4.4 Nov 13

Server-Side Request Forgery (SSRF) vulnerability in WPGraphQL.14.5. Rated medium severity (CVSS 4.4), this vulnerability

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