CVE-2025-3282 | User Registration & Membership – Custom Registration Form, Login Form, and User Profile <= 4.1.3 - Insecure Direct Object Reference to Unauthenticated Membership Modification

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.

Published: 2025-04-12 Last update: 2025-07-08 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2025-3282

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-3282

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 1.4 [email protected]

Weakness enumeration for CVE-2025-3282

Affected software / configurations for CVE-2025-3282

Vendor Product Version Raw CPE
wpeverest user_registration_\&_membership < 4.1.4 cpe:2.3:a:wpeverest:user_registration_\&_membership:*:*:*:*:free:wordpress:*:*

References for CVE-2025-3282

cvelogic Threat Intelligence