Ultimate Member < 1.0.84 - Authorization Bypass to Arbitrary File Upload/Delete

2015-03-10 00:00

Strategic Overview

Status

Patched in 1.0.84

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

Affected Version< 1.0.84

CVSS9.8Critical

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 authorization bypass due to a missing capability check on the ultimatemember_remove_file() function in versions up to, and including, 1.0.83. This makes it possible for unauthenticated attackers to delete or upload arbitrary files.

Technical Analysis

REMEDIATION: Update to version 1.0.84, or a newer patched version --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

https://www.wordfence.com/threat-intel/vulnerabilities/id/0ae243af-619f-4405-b1e0-9b44c1869501

CVSS Vector

9.8

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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