What’s Vulnerable › Vulnerabilities
CVE-2026-11966: User Registration & Membership < 5.2.3 - Unauthenticated Limited User Deletion via Stripe Subscription Handler
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-17 · updated 2026-07-17
- Weakness: CWE-639
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.
Affected products
- User Registration & Membership: from 4.2.3 before 5.2.3 — fixed in 5.2.3
How to fix
Upgrade to a fixed version: User Registration & Membership 5.2.3. Check the vendor advisory for mitigations.
References
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