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Ultimate Member CVE-2023-3460

CRITICAL
2023-07-04 contact@wpscan.com
9.8
CVSS 3.1 · NVD
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Vulnerability Assessment

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

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

Act Now Prioritize within 24-48h. Why: CRITICAL + EPSS > 30%, no patch available.
No patch listed yet 72.3% exploitation probability (EPSS)

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AnalysisAI

The Ultimate Member WordPress plugin before 2.6.7 does not prevent visitors from creating user accounts with arbitrary capabilities, effectively allowing attackers to create administrator accounts at. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

The Ultimate Member WordPress plugin before 2.6.7 does not prevent visitors from creating user accounts with arbitrary capabilities, effectively allowing attackers to create administrator accounts at will. This is actively being exploited in the wild. Affected products include: Ultimatemember Ultimate Member. Version information: before 2.6.7.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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
High
Integrity
High
Availability
High

DescriptionNVD

The Ultimate Member WordPress plugin before 2.6.7 does not prevent visitors from creating user accounts with arbitrary capabilities, effectively allowing attackers to create administrator accounts at will. This is actively being exploited in the wild.

Threat Intelligence Overview

EPSS Score
72.3%
Top 1% exploitable
Exploit
POC
Public exploit code exists
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 CRITICAL
CISA KEV No
Public POC Yes
EPSS 72.3%
Patch available No
Active threat Yes
Deciding rule
CRITICAL + EPSS > 30%, no patch available
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
Poc
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

141
Low Medium High Critical
KEV: 0
EPSS: +72
CVSS: +49
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:ultimatemember:ultimate_member:*:*:*:*:*:wordpress:*:*
CVE-2022-3384 HIGH POC
7.2 Nov 29

The Ultimate Member plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 2.5.0

CVE-2022-3383 HIGH POC
7.2 Nov 29

The Ultimate Member plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 2.5.0

CVE-2024-1071 CRITICAL POC
9.8 Mar 13

The Ultimate Member - User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugi

CVE-2024-2123 HIGH
7.2 Mar 13

The Ultimate Member - User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugi

CVE-2026-85680 HIGH POC
8.8 Sep 19

Stored cross-site scripting in the Ultimate Member plugin for WordPress (all versions before 2.13.1) lets unauthenticate

CVE-2019-10270 HIGH POC
8.8 Jun 21

An arbitrary password reset issue was discovered in the Ultimate Member plugin 2.39 for WordPress. Rated high severity (

CVE-2019-10673 HIGH POC
8.8 Apr 03

A CSRF vulnerability in a logged-in user's profile edit form in the Ultimate Member plugin before 2.0.40 for WordPress a

CVE-2026-19423 HIGH POC
8.1 Aug 28

Privilege escalation to administrator in the Ultimate Member WordPress plugin (versions 2.6.7 through 2.12.x) allows una

CVE-2026-12251 HIGH POC
8.1 Jul 31

Privilege escalation to WordPress administrator in Ultimate Member plugin before 2.12.1 permits unauthenticated registra

CVE-2026-11766 HIGH POC
8.0 Jul 06

Stored cross-site scripting in the Ultimate Member WordPress plugin before 2.12.0 lets authenticated Subscriber-level us

CVE-2020-37169 MEDIUM POC
6.8 May 13

WordPress Plugin ultimate-member 2.1.3 contains a local file inclusion vulnerability that allows authenticated attackers

CVE-2022-1208 MEDIUM POC
6.4 Jun 13

The Ultimate Member plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Biography field featured o

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