Auth bypass in Wpengine Wpgraphql

CVE-2019-9880

An issue was discovered in the WPGraphQL 0.2.3 plugin for WordPress. By querying the 'users' RootQuery, it is possible, for an unauthenticated attacker, to retrieve all WordPress users details such as email address, role, and username.

Vulnerability class: Broken Authentication

EPSS: 0.348 (98.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-9880?
CVE-2019-9880 is a critical-severity vulnerability in Wpengine Wpgraphql, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2019-06-10.
How severe is CVE-2019-9880?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2019-9880 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.