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Vulnerability record · CVE-2019-9881 · published 10 June 2019

CVE-2019-9881: Wpengine wpgraphql missing authentication for critical function vulnerability

Wpengine · Wpgraphql

The createComment mutation in the WPGraphQL 0.2.3 plugin for WordPress allows unauthenticated users to post comments on any article, even when 'allow comment' is disabled.

5.3 CVSS 3.0 Medium EPSS 19% · top 2.8% CWE-306 · Missing authentication for critical function
5.3CVSS 3.0 base score, v2 5.0
19%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

The createComment mutation in the WPGraphQL 0.2.3 plugin for WordPress allows unauthenticated users to post comments on any article, even when 'allow comment' is disabled.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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 Release NotesThird Party 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 Release NotesThird Party 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.

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Source: NIST National Vulnerability Database (record CVE-2019-9881), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.