Ultimate Member <= 1.3.83 - Shortcode Injection

2017-04-17 00:00

Strategic Overview

Status

Patched in 1.3.84

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

Affected Version<= 1.3.83

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 Executing Arbitrary WordPress Shortcodes in versions up to, and including, 1.3.83. This is due to 'ultimatemember_frontend_modal' AJAX action allowing for the execution of the 'do_shortcode()' function. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.

Technical Analysis

REMEDIATION: Update to version 1.3.84, 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/bab67a5c-3390-4423-8fa9-b5ffbc98324d

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

This record contains material that is subject to copyright

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

https://www.wordfence.com/wordfence-intelligence-terms-and-conditions/