CVE-2025-5059: Campcodes Shopping Portal RCE Vulnerability

CVE-2025-5059 Overview

CVE-2025-5059 is an unrestricted file upload vulnerability in Campcodes Online Shopping Portal 1.0. The flaw resides in /admin/edit-subcategory.php, where the productimage1, productimage2, and productimage3 parameters accept arbitrary file uploads without proper validation. An authenticated attacker with administrative privileges can upload malicious files remotely over the network. The exploit details have been publicly disclosed, increasing the likelihood of opportunistic abuse. The vulnerability maps to [CWE-434] Unrestricted Upload of File with Dangerous Type and [CWE-284] Improper Access Control.

Critical Impact
Successful exploitation allows attackers to upload arbitrary files to the web server, potentially leading to remote code execution and full compromise of the shopping portal.

Affected Products

Campcodes Online Shopping Portal 1.0
File: /admin/edit-subcategory.php
Parameters: productimage1, productimage2, productimage3

Discovery Timeline

2025-05-21 - CVE-2025-5059 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-5059

Vulnerability Analysis

The vulnerability exists in the subcategory edit functionality of Campcodes Online Shopping Portal 1.0. The /admin/edit-subcategory.php script accepts file uploads through three image parameters without verifying file type, extension, or content. Attackers can substitute executable server-side scripts for expected image files. Once uploaded, these files can be requested through the web server to execute arbitrary code in the application context.

The EPSS score is 0.369% (28.7 percentile), indicating low observed exploitation activity, though public disclosure of the exploit increases risk.

Root Cause

The root cause is the absence of server-side validation on uploaded files. The application does not enforce MIME type checks, extension allowlists, magic byte verification, or content inspection on the productimage1, productimage2, and productimage3 form fields. Combined with improper access control [CWE-284], the upload endpoint trusts authenticated administrative input without further constraints on file content.

Attack Vector

The attack requires network access to the admin interface and valid administrative credentials. An attacker submits a POST request to /admin/edit-subcategory.php with a malicious PHP file supplied as one of the image parameters. The file is written to a web-accessible directory and can then be invoked through a direct HTTP request, executing attacker-controlled code on the server.

For technical exploitation details, see the GitHub CVE Issue Discussion and VulDB Entry #309879.

Detection Methods for CVE-2025-5059

Indicators of Compromise

Unexpected .php, .phtml, .phar, or other executable files in web-accessible upload directories used by the shopping portal
POST requests to /admin/edit-subcategory.php containing multipart form data with non-image content in productimage1, productimage2, or productimage3
Web server access logs showing direct GET requests to uploaded files in product image directories followed by outbound connections
New administrator accounts, scheduled tasks, or web shells created shortly after suspicious uploads

Detection Strategies

Monitor uploads to the admin endpoint and inspect file magic bytes against declared MIME types
Alert on any non-image file extensions written to image upload directories
Correlate authentication events to the admin panel with subsequent file write activity on the web root
Apply file integrity monitoring to the /admin/ directory and product image storage paths

Monitoring Recommendations

Enable verbose web server logging for the admin path and retain logs for forensic review
Deploy a web application firewall rule that blocks executable content in image upload fields
Review database records in the subcategory table for image paths pointing to suspicious filenames

How to Mitigate CVE-2025-5059

Immediate Actions Required

Restrict network access to the /admin/ path using IP allowlists or VPN-only access until a patch is available
Rotate all administrator credentials and enforce strong authentication on the admin panel
Audit upload directories for unauthorized files and remove any non-image content
Disable PHP execution in directories that store user-uploaded images using web server configuration

Patch Information

No vendor patch has been published in the referenced advisories at the time of writing. Monitor the CampCodes site for updates and consider replacing the affected version if a fix is not released.

Workarounds

Configure the web server to deny script execution in product image upload directories, for example using an .htaccess rule that disables PHP handlers
Implement a reverse proxy filter that rejects uploads where the file extension or content type is not in an image allowlist (.jpg, .jpeg, .png, .gif)
Validate uploaded files server-side by inspecting magic bytes and re-encoding images through a trusted library before storage
Rename uploaded files to randomized identifiers without preserving the original extension

bash

# Example Apache configuration to block script execution in upload directory
<Directory "/var/www/html/uploads/">
    php_admin_flag engine off
    AddType text/plain .php .phtml .phar .php3 .php5 .pl .py .jsp .asp .sh .cgi
    <FilesMatch "\.(php|phtml|phar|php3|php5|pl|py|jsp|asp|sh|cgi)$">
        Require all denied
    </FilesMatch>
</Directory>