Auth bypass in Wpengine Wpgraphql

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.

Vulnerability class: Broken Authentication

EPSS: 0.188 (97.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2019-9881?
CVE-2019-9881 is a medium-severity vulnerability in Wpengine Wpgraphql, classified under Missing Authentication for Critical Function. CVSS score: 5.3/10. Published 2019-06-10.
How severe is CVE-2019-9881?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2019-9881 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.