CVE-2019-9881
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 18.4%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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
- 5.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- EPSS
- 18.35% probability · 97th percentile
- Public exploits
- 1 in Exploit-DB · first 21 May 2019
- CISA KEV
- Not listed
- Weakness
- CWE-306
- Affected
- wpengine/wpgraphql
- Source
- cve@mitre.org
EPSS moved from 16.3% on 21 September 2026 to 18.4% on 3 November 2026, peaking at 18.8% on 22 September 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/153025/WordPress-WPGraphQL-0.2.3-Authentication-Bypass-Information-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
- https://github.com/pentestpartners/snippets/blob/master/wp-graphql0.2.3_exploit.pyExploit, Third Party Advisory
- https://github.com/wp-graphql/wp-graphql/releases/tag/v0.3.0Release Notes, Third Party Advisory
- https://wpvulndb.com/vulnerabilities/9282Release Notes, Third Party Advisory
- https://www.pentestpartners.com/security-blog/pwning-wordpress-graphql/Exploit, Third Party Advisory
- http://packetstormsecurity.com/files/153025/WordPress-WPGraphQL-0.2.3-Authentication-Bypass-Information-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
- https://github.com/pentestpartners/snippets/blob/master/wp-graphql0.2.3_exploit.pyExploit, Third Party Advisory
- https://github.com/wp-graphql/wp-graphql/releases/tag/v0.3.0Release Notes, Third Party Advisory
- https://wpvulndb.com/vulnerabilities/9282Release Notes, Third Party Advisory
- https://www.pentestpartners.com/security-blog/pwning-wordpress-graphql/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.