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User Registration Membership CVE-2025-3282

MEDIUM
Authorization Bypass Through User-Controlled Key (CWE-639)
2025-04-12 security@wordfence.com
5.3
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Object-level authorization, IDOR prevention
Impact

CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.21%.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

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. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-639. 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. Affected products include: Wpeverest User Registration \& Membership.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

2
Patch released
Mar 28, 2026 - 18:36 nvd
Patch available
CVE Published
Apr 12, 2025 - 07:15 nvd
MEDIUM 5.3

DescriptionCVE.org

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.

Executive ViewAI

Why It Matters

Organizations using for WordPress is vulnerable to Insecure Direct Object Reference in all should be aware of moderate risk from CVE-2025-3282, a IDOR vulnerability rated CVSS 5.3. Exploitation could compromise the security of affected deployments. A patch is available and should be applied during regular vulnerability management.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score
0.2%
Top 57% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.2%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
Low

Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:a:wpeverest:user_registration_\&_membership:*:*:*:*:free:wordpress:*:*
CVE-2025-2563 HIGH POC
8.1 Apr 14

The User Registration & Membership WordPress plugin before version 4.1.2 fails to prevent users from setting their accou

CVE-2025-2594 HIGH POC
8.1 Apr 22

The User Registration & Membership WordPress plugin before 4.1.3 does not properly validate data in an AJAX action when

CVE-2026-11964 CRITICAL POC
9.1 Jul 13

Payment-verification bypass in the User Registration & Membership WordPress plugin before 5.2.2 lets unauthenticated att

CVE-2026-11961 HIGH POC
8.1 Jul 17

Privilege escalation in the User Registration & Membership WordPress plugin before 5.2.3 lets unauthenticated visitors s

CVE-2026-11963 HIGH POC
8.1 Jul 13

Privilege escalation in the User Registration & Membership WordPress plugin before 5.2.2 lets any authenticated low-priv

CVE-2026-86406 HIGH POC
7.5 Sep 13

Privilege escalation in the User Registration & Membership WordPress plugin (versions 4.4.6 through pre-5.2.8) allows an

CVE-2026-16736 HIGH POC
7.5 Aug 05

Registration enforcement bypass in the User Registration & Membership WordPress plugin (all versions before 5.2.6) allow

CVE-2026-80071 HIGH POC
7.2 Sep 13

Privilege escalation in the User Registration & Membership WordPress plugin before 5.2.8 allows any authenticated user h

CVE-2026-79996 HIGH POC
7.2 Aug 28

Privilege escalation in the User Registration & Membership WordPress plugin before 5.2.6 lets authenticated users holdin

CVE-2026-11966 MEDIUM POC
5.3 Jul 17

Unauthenticated account deletion in the User Registration & Membership WordPress plugin (all versions before 5.2.3) expo

CVE-2026-80072 MEDIUM POC
4.7 Sep 13

Open redirect in the User Registration & Membership WordPress plugin before 5.2.8 permits unauthenticated attackers to c

CVE-2026-79995 MEDIUM POC
4.3 Aug 28

Missing object-level authorization in the User Registration & Membership WordPress plugin (before 5.2.5) allows any auth

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