ARMember <= 4.0.27 - Directory Traversal via X-FILENAME

Absolute Path Traversal
CVSS 5.3 (Medium)
Publicly Published April 4, 2024
Last Updated April 4, 2024
Researcher Lucio Sá


The ARMember plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 4.0.27 via the 'X-FILENAME' HTTP header. This makes it possible for unauthenticated attackers to upload and overwrite certain files (e.g., CSS) to directories outside the 'wp-content/uploads/armember' directory.



Vulnerability Details for ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup

Software Type Plugin
Software Slug armember-membership (view on
Patched? Yes
Remediation Update to version 4.0.28, or a newer patched version
Affected Version
  • <= 4.0.27
Patched Version
  • 4.0.28

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.