CVE-2026-11966
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductUser Registration & Membership
PublishedJul 17, 2026
First seenJul 17, 2026
How to fix
Update
- User Registration & Membership5.2.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| User Registration & Membership | 4.2.3 ≤ v < 5.2.3 | 5.2.3 |
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