What is CVE-2026-12394?

CVE-2026-12394 is a critical-severity vulnerability in Memberglut, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2026-07-27.

How severe is CVE-2026-12394?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Privilege escalation in Memberglut

CVE-2026-12394

The MemberGlut WordPress plugin before 1.1.5 does not validate the role chosen during front-end registration, allowing unauthenticated users to register an account with an arbitrary role, including administrator, leading to full site comp…

Vulnerability class: Privilege Escalation

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Unknown Memberglut — versions 0

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-12394?: CVE-2026-12394 is a critical-severity vulnerability in Memberglut, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2026-07-27.
How severe is CVE-2026-12394?: Critical severity. CVSS v3 base score is 9.8 out of 10.