Ultimate Member <= 2.4.1 - Username Enumeration

2022-07-14 00:00

Strategic Overview

Status

Patched in 2.4.2

Affected PluginUltimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin

Affected Version<= 2.4.1

CVSS7.5High

CVEN/A

View all Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin vulnerabilities

Vulnerability Overview

The Ultimate Member plugin for WordPress is vulnerable to Username Enumeration in versions up to, and including, 2.4.1 via the um_get_members ajax action. This allows unauthenticated attackers to obtain a list of users including user names on that site.

Technical Analysis

REMEDIATION: Update to version 2.4.2, or a newer patched version --- IDENTIFIER: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

External References

https://www.wordfence.com/threat-intel/vulnerabilities/id/f4832fbb-94ed-41c4-8434-1972f4d92476

CVSS Vector

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone

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