Name: CVE-2026-11966: Authorization Bypass Through User-Controlled Key
Creator: Rapid7
Published: 2026-07-17T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-11966, CWE-639, CVSS 5.3, EPSS 0.00304

The User Registration & Membership WordPress plugin before 5.2.3 does not perform a capability check for unauthenticated callers on one of its membership payment actions and acts on a caller-supplied user identifier, allowing unauthenticated attackers to delete recently-registered, payment-pending user accounts.

CVSS Details

CVSS 3.1 Base Score: 5.3
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
User Registration Plugin	—	Update user-registration plugin to version 5.2.3, or a newer patched version	Jul 31, 2026	Jun 26, 2026

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CVSS Details

Covered by Rapid7

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