CVE-2026-15930

CriticalCVSS 9.4/10Last modified Aug 26, 2026

Description

The Simple Membership WordPress plugin before 4.7.8 does not verify whether user creation failed during registration before using the returned value as a user ID to update an account, allowing unauthenticated attackers to overwrite the primary administrator's account data (including the email address) and take over that account through the password reset flow.

Metrics

CVSS 3.1 9.4/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 3, 2026
Last modified
Aug 26, 2026
NVD status
Deferred

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CVE-2026-15930: Critical severity, CVSS 9.4 | Vulnix