CVE-2025-3054: WP User Frontend Pro RCE Vulnerability

CVE-2025-3054 Overview

CVE-2025-3054 is an arbitrary file upload vulnerability in the WP User Frontend Pro plugin for WordPress. The flaw exists in the upload_files() function, which fails to validate file types before accepting uploads. All versions up to and including 4.1.3 are affected.

Authenticated attackers with Subscriber-level access or above can upload arbitrary files to the server. Successful exploitation can lead to remote code execution (RCE). Exploitation requires the Private Message module to be enabled and the Business edition of the PRO software to be active. The weakness is classified under [CWE-434: Unrestricted Upload of File with Dangerous Type].

Critical Impact
Authenticated Subscriber accounts can upload webshells and achieve remote code execution on affected WordPress sites.

Affected Products

WP User Frontend Pro plugin for WordPress, versions up to and including 4.1.3
Deployments with the Private Message module enabled
Business edition of the WP User Frontend PRO software

Discovery Timeline

2025-06-05 - CVE-2025-3054 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-3054

Vulnerability Analysis

The vulnerability resides in the plugin's upload_files() function, which handles file uploads tied to the Private Message module. The function accepts user-supplied files without enforcing an allow-list of permitted MIME types or file extensions. Attackers can supply PHP or other executable server-side scripts as attachments.

Once written to a web-accessible directory, an attacker can request the uploaded file directly to trigger execution. This converts a low-privilege authenticated session into full code execution in the WordPress process context. The Exploit Prediction Scoring System (EPSS) places this issue at a moderate probability of near-term exploitation.

Root Cause

The root cause is missing file type validation in upload_files(). The function does not verify extensions, MIME types, or file contents against an allow-list before persisting uploaded data. This is a classic instance of [CWE-434] where the application trusts client-supplied file metadata.

Attack Vector

Exploitation requires network access to the WordPress site and an authenticated account with at least the Subscriber role. WordPress sites that permit open registration expose this vector to any internet user. The attacker submits a crafted upload through the Private Message interface and then requests the stored file over HTTP to execute it.

No verified public exploit code has been published. The vulnerability mechanism is described in the Wordfence Vulnerability Report.

Detection Methods for CVE-2025-3054

Indicators of Compromise

Files with executable extensions such as .php, .phtml, or .phar inside the wp-content/uploads/ directory tree associated with WP User Frontend Pro private messages.
HTTP POST requests to WP User Frontend Pro upload endpoints originating from Subscriber-level accounts.
Outbound network connections from the PHP worker process shortly after upload activity.

Detection Strategies

Inspect web server access logs for GET requests targeting uploaded files with server-executable extensions under the plugin's upload paths.
Monitor for newly created PHP files in WordPress upload directories, which should typically contain only media assets.
Correlate authenticated Subscriber account activity with file creation events on disk to surface anomalous upload behavior.

Monitoring Recommendations

Enable file integrity monitoring on wp-content/uploads/ to alert on the creation of scripts or archives.
Alert on WordPress user roles performing upload actions outside their expected workflow.
Ingest WordPress and web server logs into a centralized SIEM for correlation with process execution telemetry from endpoint agents.

How to Mitigate CVE-2025-3054

Immediate Actions Required

Update WP User Frontend Pro to a version later than 4.1.3 as soon as a fixed release is available from the vendor.
Disable the Private Message module until the plugin is patched.
Audit wp-content/uploads/ for unexpected executable files and remove any confirmed webshells.
Rotate credentials for all administrative WordPress accounts and review Subscriber account registrations for abuse.

Patch Information

Refer to the Headway App Changelog for release notes and the Wordfence Vulnerability Report for advisory details. Apply the vendor-supplied fix that adds file type validation to upload_files().

Workarounds

Disable the Private Message module in WP User Frontend Pro configuration if patching is not immediately possible.
Restrict WordPress user registration to trusted users only and disable open Subscriber signup.
Configure the web server to deny execution of PHP files inside wp-content/uploads/ using directory-level handlers.

bash

# Apache: prevent PHP execution in the uploads directory
# Place this .htaccess file in wp-content/uploads/
<FilesMatch "\.(php|phtml|phar|php[0-9]+)$">
    Require all denied
</FilesMatch>

# Nginx equivalent (in server block):
# location ~* /wp-content/uploads/.*\.(php|phtml|phar)$ {
#     deny all;
#     return 403;
# }