Frontend File Manager < 4.0 & N-Media Post Front-end Form < 1.1 & - Arbitrary File Upload

Unrestricted Upload of File with Dangerous Type
CVSS 9.8 (Critical)
Publicly Published July 16, 2016
Last Updated January 7, 2023


The Frontend File Manager (versions < 4.0), N-Media Post Front-end Form (versions < 1.1) plugins for WordPress are vulnerable to arbitrary file uploads due to missing file type validation via the `nm_filemanager_upload_file` and `nm_postfront_upload_file` AJAX actions. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.

Wordfence blocked 19,716 attacks targeting this vulnerability in the past 24 hours.



2 affected software packages

Software Type Plugin
Software Slug nmedia-user-file-uploader (view on
Patched? Yes
Remediation Update to version 4.0, or a newer patched version
Affected Version
  • < 4.0
Patched Version
  • 4.0
Software Type Plugin
Software Slug wp-post-frontend (view on
Patched? Yes
Remediation Update to version 1.1, or a newer patched version
Affected Version
  • <= 1.0
Patched Version
  • 1.1

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