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Vulnerability record · CVE-2019-9880 · published 10 June 2019

CVE-2019-9880: Wpengine wpgraphql missing authentication for critical function vulnerability

Wpengine · Wpgraphql

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.

9.1 CVSS 3.0 Critical EPSS 35% · top 1.6% CWE-306 · Missing authentication for critical function
9.1CVSS 3.0 base score, v2 6.4
35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 6 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/153025/WordPress-WPGraphQL-0.2.3-Authentication-Bypass-Information-Disclosure.html ExploitThird Party AdvisoryVDB Entry
https://github.com/pentestpartners/snippets/blob/master/wp-graphql0.2.3_exploit.py ExploitThird Party Advisory
https://github.com/wp-graphql/wp-graphql/releases/tag/v0.3.0 Release NotesThird Party Advisory
https://wpvulndb.com/vulnerabilities/9282 Vendor Advisory
https://www.pentestpartners.com/security-blog/pwning-wordpress-graphql/ ExploitThird Party Advisory
http://packetstormsecurity.com/files/153025/WordPress-WPGraphQL-0.2.3-Authentication-Bypass-Information-Disclosure.html ExploitThird Party AdvisoryVDB Entry
https://github.com/pentestpartners/snippets/blob/master/wp-graphql0.2.3_exploit.py ExploitThird Party Advisory
https://github.com/wp-graphql/wp-graphql/releases/tag/v0.3.0 Release NotesThird Party Advisory
https://wpvulndb.com/vulnerabilities/9282 Vendor Advisory
https://www.pentestpartners.com/security-blog/pwning-wordpress-graphql/ ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-9879WPGraphQL plugin missing authentication in registerUser mutationThe WPGraphQL 0.2.3 plugin for WordPress exposes a registerUser GraphQL mutation that lacks proper authorization checks, letting a remote attacker cr…EPSS 47%analysed6.5CVE-2023-23684Wpengine wpgraphql server-side request forgery (ssrf) vulnerabilityServer-Side Request Forgery (SSRF) vulnerability in WPGraphQL.This issue affects WPGraphQL: from n/a through 1.14.5.EPSS 0.45%5.3CVE-2022-1563Wpengine wpgraphql vulnerabilityThe WPGraphQL WooCommerce WordPress plugin before 0.12.4 does not prevent unauthenticated attackers from enumerating a shop's coupon codes and values…EPSS 0.72%5.3CVE-2019-9881Wpengine wpgraphql missing authentication for critical function vulnerabilityThe createComment mutation in the WPGraphQL 0.2.3 plugin for WordPress allows unauthenticated users to post comments on any article, even when 'allow…EPSS 19%8.8CVE-2026-67277MikroTik RouterOS btest missing authentication leaks kernel memory and crashes kernelRouterOS accepts a "related" btest connection before the primary session is authenticated, letting an unauthenticated client start an IPv4 UDP test. …KEVEPSS 1.6%analysed8.8CVE-2026-59822LiteLLM MCP endpoint auth bypass via OAuth2 passthrough fallbackLiteLLM's MCP Streamable HTTP endpoint, prior to 1.84.0, let an unauthenticated attacker send a fabricated Authorization header that triggered an OAu…KEVEPSS 0.84%analysed9.3CVE-2026-72529TrueConf Server missing authentication allows remote script executionTrueConf Server versions 5.3.X through 5.3.9, 5.4.X through 5.4.9, 5.5.X through 5.5.5, and earlier expose an undocumented function on port 4307/TCP …KEVEPSS 1.5%analysed9.8CVE-2026-46817Oracle E-Business Suite Payments missing authentication allows takeoverOracle Payments in Oracle E-Business Suite 12.2.3 through 12.2.15 contains an easily exploitable flaw in the File Transmission component. An unauthen…KEVEPSS 0.81%analysed

Source: NIST National Vulnerability Database (record CVE-2019-9880), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.