Ultimate Member – User Profile, User Registration, Login & Membership Plugin <= 2.5.0 - Authenticated (Admin+) Directory Traversal

4.7
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVE CVE-2022-2445
CVSS 4.7 (Medium)
Publicly Published October 28, 2022
Last Updated January 22, 2024
Researcher Ruijie Li

Description

The Ultimate Member plugin for WordPress is vulnerable to directory traversal in versions up to, and including 2.5.0 due to insufficient input validation on the 'pack' parameter. This makes it possible for attackers with administrative privileges to supply arbitrary paths using traversal (../../) to access and include files outside of the intended directory. If an attacker can successfully upload a file with the exact name 'init.php' then remote code execution may also be possible.

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1 affected software package

Software Type Plugin
Software Slug ultimate-member (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.5.1, or a newer patched version
Affected Version
  • 1.0 - 2.5.0
Patched Version
  • 2.5.1

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