CVE-2026-11966

MEDIUM

User Registration & Membership < 5.2.3 - Unauthenticated Limited User Deletion via Stripe Subscription Handler

Title source: cna
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Exploit exploit vdb-entry technical-description
https://wpscan.com/vulnerability/8e3be064-b3b7-4d68-960b-8c850c3e6f77/

Scores

CVSS v3 5.3
EPSS 0.0020
EPSS Percentile 9.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-639
Status published
Products (1)
None/User Registration & Membership 4.2.3 - 5.2.3
Published Jul 17, 2026
Tracked Since Jul 17, 2026