Auth bypass in Wpengine Wpgraphql

CVE-2019-9879

The WPGraphQL 0.2.3 plugin for WordPress allows remote attackers to register a new user with admin privileges, whenever new user registrations are allowed. This is related to the registerUser mutation.

Vulnerability class: Broken Authentication

EPSS: 0.466 (98.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-9879?
CVE-2019-9879 is a critical-severity vulnerability in Wpengine Wpgraphql, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2019-06-10.
How severe is CVE-2019-9879?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-9879 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.