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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.466 (98.8th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-9879: held from 0.466 to 0.466.

EPSS over last 30 days · oldest: 0.466 · newest: 0.466 · change: 0.000

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.