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

9.8
Missing Authorization
CVSS 9.8 (Critical)
Publicly Published March 10, 2015
Last Updated January 22, 2024
Researcher James Golovich

Description

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.

References

Share

Vulnerability Details for Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin

Software Type Plugin
Software Slug ultimate-member (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.0.84, or a newer patched version
Affected Version
  • < 1.0.84
Patched Version
  • 1.0.84

Did you know Wordfence Intelligence provides free personal and commercial API access to our comprehensive WordPress vulnerability database, along with a free webhook integration to stay on top of the latest vulnerabilities added and updated in the database? Get started today!

Learn more

Want to get notified of the latest vulnerabilities that may affect your WordPress site?
Install Wordfence on your site today to get notified immediately if your site is affected by a vulnerability that has been added to our database.

Get Wordfence

The Wordfence Intelligence WordPress vulnerability database is completely free to access and query via API. Please review the documentation on how to access and consume the vulnerability data via API.

Documentation