CVE-2026-4882
CriticalSummary
The User Registration Advanced Fields plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'URAF_AJAX::method_upload' function in all versions up to and including 1.6.20. This allows unauthenticated attackers to upload arbitrary files on the affected site's server.
Risk Assessment
This vulnerability may lead to remote code execution, posing a serious threat to the security of the server and the organization's data.
Recommendation
It is recommended to update the plugin to the latest version and to implement file type validation in forms to minimize the risk of unauthorized file uploads.
Original NVD description (English source)
The User Registration Advanced Fields plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'URAF_AJAX::method_upload' function in all versions up to, and including, 1.6.20. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible. Note: The vulnerability can only be exploited if a "Profile Picture" field is added to the form.