CVE-2019-9881 json
The createComment mutation in the WPGraphQL 0.2.3 plugin for WordPress allows unauthenticated users to post comments on any article, even w…
published 2019-06-10 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-19237
- cvss
- 5.3
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 18.4%
- EPSS 18.4% chance of exploitation in 30 days, percentile 97%
- public exploits
- 1
- Exploit-DB, plus a Nuclei check
Summary
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.
Patch / fix
Timeline
- First public exploit (EDB-46886)
- Published
Exploit prediction
18.35% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-46886 WordPress Plugin WPGraphQL 0.2.3 - Multiple Vulnerabilities webapps, 2019-05-21
- Nuclei template WPEngine WPGraphQL 0.2.3 - Unauthenticated Comment Posting nuclei detection template
- packetstormsecurity.com http://packetstormsecurity.com/files/153025/WordPress-WPGraphQL-0.2.3-Authentication-Bypass-Information-Disclosure.html referenced PoC, tagged "exploit" by a source, unverified
- pentestpartners.com https://www.pentestpartners.com/security-blog/pwning-wordpress-graphql/ referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/pentestpartners/snippets/blob/master/wp-graphql0.2.3_exploit.py referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
- Technology feeds
References
-
packetstormsecurity.com
/files/153025/WordPress-WPGraphQL-0.2.3-Authentication-Bypass-Information-Disclosure.html
exploit, third-party-advisory, vdb-entry
-
pentestpartners.com
/security-blog/pwning-wordpress-graphql/
exploit, third-party-advisory
-
github.com
/pentestpartners/snippets/blob/master/wp-graphql0.2.3_exploit.py
exploit, third-party-advisory
-
wpvulndb.com
/vulnerabilities/9282
release-notes, third-party-advisory
-
github.com
/wp-graphql/wp-graphql/releases/tag/v0.3.0
release-notes, third-party-advisory
Sources
- CVE List CVE-2019-9881
- NVD CVE-2019-9881
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.