The User Registration & Membership – Custom Registration Form, Login Form, and User Profile plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.1.3 via the user_registration_membership_register_member() due to missing validation on the 'membership_id' user controlled key. This makes it possible for unauthenticated attackers to update any user's membership to any other active or non-active membership type.
Conclusion & alert: CVE-2025-3282 is rated Moderate Risk (41.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.34%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-23 | 0.20% | 0.34% | +0.14% |
| 2 | 2026-05-21 | 0.28% | 0.20% | -0.08% |
| 3 | 2026-05-20 | — | 0.28% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| wpeverest | user_registration_\&_membership | < 4.1.4 | cpe:2.3:a:wpeverest:user_registration_\&_membership:*:*:*:*:free:wordpress:*:* |