CVE-2025-5728: Clinic Management System RCE Vulnerability

CVE-2025-5728 Overview

CVE-2025-5728 is an unrestricted file upload vulnerability in SourceCodester Open Source Clinic Management System 1.0, developed by Nikhil-bhalerao. The flaw resides in /manage_website.php and stems from improper handling of the website_image parameter. Attackers with low-privilege authenticated access can upload arbitrary files remotely, potentially leading to malicious content placement on the server. The exploit has been publicly disclosed, increasing the likelihood of opportunistic abuse. The vulnerability is tracked under [CWE-284] Improper Access Control and [CWE-434] Unrestricted Upload of File with Dangerous Type.

Critical Impact
Remote attackers can upload arbitrary files through the website_image parameter, potentially placing executable content or malicious payloads within the application's web-accessible directories.

Affected Products

Nikhil-bhalerao Open Source Clinic Management System 1.0
Component: /manage_website.php
Parameter: website_image

Discovery Timeline

2025-06-06 - CVE-2025-5728 published to NVD
2026-04-29 - Last updated in NVD database

Technical Details for CVE-2025-5728

Vulnerability Analysis

The vulnerability exists in the file upload handler within /manage_website.php. The application accepts file uploads through the website_image parameter without enforcing proper validation on file type, extension, or content. An authenticated attacker can submit a crafted multipart request containing a file with arbitrary content and extension. Because no allowlist controls or MIME-type verification are enforced, the server stores the uploaded file in a web-accessible location. This combination of weaknesses ([CWE-434] and [CWE-284]) enables remote attackers to plant content that may be executed or served back to other users.

Root Cause

The root cause is the absence of input validation on uploaded files. The manage_website.php script does not verify the file extension against an allowlist, does not inspect the actual file content or magic bytes, and does not restrict the storage destination. The application also fails to enforce sufficient access controls on the upload endpoint, contributing to the broader [CWE-284] classification.

Attack Vector

Exploitation requires network access and low-privilege authentication to the clinic management application. An attacker sends a POST request to /manage_website.php with the website_image parameter set to a malicious file. Because validation is missing, the server accepts files outside the expected image set. The publicly disclosed proof of concept describes the request structure needed to trigger the vulnerability. See the GitHub CVE Issue Discussion and the VulDB Entry #311248 for technical details on the request format.

Detection Methods for CVE-2025-5728

Indicators of Compromise

Unexpected files in the upload or images directory used by Open Source Clinic Management System, particularly with server-side scripting extensions such as .php, .phtml, or .phar.
HTTP POST requests to /manage_website.php containing multipart payloads with the website_image field and non-image content.
Newly created files in web-accessible directories with timestamps correlating to suspicious authenticated sessions.

Detection Strategies

Inspect web server access logs for POST requests targeting /manage_website.php from unusual source addresses or accounts.
Monitor the upload directory for files whose declared MIME type does not match their content or extension.
Apply web application firewall rules that flag multipart uploads to manage_website.php carrying executable file signatures.

Monitoring Recommendations

Enable file integrity monitoring on directories writable by the web server process.
Forward web server and application logs to a centralized analytics platform for correlation against authentication events.
Alert on PHP file creation events under any directory served by the application's document root.

How to Mitigate CVE-2025-5728

Immediate Actions Required

Restrict access to /manage_website.php to trusted administrators only, using network ACLs or authentication middleware.
Remove or rename the vulnerable endpoint if the website image management feature is not actively used.
Audit the upload directory for unexpected files and remove any unauthorized content.
Rotate credentials for accounts with access to the management interface.

Patch Information

No vendor patch is currently referenced in the available advisories. Organizations running Open Source Clinic Management System 1.0 should monitor the SourceCodester Security Resource and the VulDB CTI Entry #311248 for remediation updates. Until a patch is published, apply compensating controls and consider migrating to a maintained alternative.

Workarounds

Implement a server-side allowlist limiting uploads to image extensions (.jpg, .jpeg, .png, .gif) and verify the file's magic bytes match the declared type.
Store uploaded files outside the web root and serve them through a controlled handler that sets a non-executable content type.
Disable PHP execution in the upload directory using web server configuration directives.
Deploy a web application firewall rule blocking multipart uploads to /manage_website.php that contain script content.

bash

# Example Apache configuration to disable script execution in upload directory
<Directory "/var/www/clinic/uploads">
    php_admin_flag engine off
    AddType text/plain .php .phtml .php3 .php4 .php5 .phar
    Options -ExecCGI
</Directory>