CVE-2025-4334

CriticalCVSS 9.8/10Last modified Aug 11, 2026

Description

The Simple User Registration plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 6.3. This is due to insufficient restrictions on user meta values that can be supplied during registration. This makes it possible for unauthenticated attackers to register as an administrator.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-269

Affected software

No affected versions have been published.

Timeline

Published
Jun 26, 2025
Last modified
Aug 11, 2026
NVD status
Analyzed

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CVE-2025-4334: Critical severity, CVSS 9.8 | Vulnix