CVE-2025-8379: Campcodes Hotel Reservation RCE Vulnerability

CVE-2025-8379 Overview

CVE-2025-8379 is an unrestricted file upload vulnerability in Campcodes Online Hotel Reservation System 1.0. The flaw resides in the /admin/edit_room.php script, where the photo parameter accepts attacker-controlled files without proper validation. An authenticated attacker with administrative privileges can upload arbitrary files to the server remotely. The issue maps to [CWE-284: Improper Access Control] and has been publicly disclosed, raising the risk of opportunistic exploitation against exposed installations.

Critical Impact

Authenticated attackers can upload arbitrary files through the room photo upload feature, potentially leading to webshell deployment and server compromise on affected installations.

Affected Products

• Campcodes Online Hotel Reservation System 1.0
• Component: /admin/edit_room.php
• Vulnerable parameter: photo

Discovery Timeline

• 2025-07-31 - CVE-2025-8379 published to NVD
• 2026-04-29 - Last updated in NVD database

Technical Details for CVE-2025-8379

Vulnerability Analysis

The vulnerability exists in the administrative room management functionality of Campcodes Online Hotel Reservation System 1.0. The /admin/edit_room.php endpoint handles file uploads through the photo parameter for room imagery. The application fails to enforce restrictions on file type, extension, or content during the upload process. An attacker who has obtained administrative credentials can submit executable server-side scripts disguised as image uploads. Once written to a web-accessible directory, those files can be requested directly to execute attacker code in the context of the web server.

Root Cause

The root cause is improper access control over file uploads as categorized under CWE-284. The application accepts the photo argument without validating MIME type, file extension allowlists, or magic byte signatures. There is also no evidence of filename sanitization or randomization. This permits attackers to overwrite filenames or place files with active script extensions such as .php inside the web root.

Attack Vector

Exploitation requires network access to the administrative interface and valid high-privilege credentials. The attacker submits a crafted multipart form POST to /admin/edit_room.php with the photo field containing a malicious payload. After upload, the attacker navigates to the predictable storage path to trigger execution. Because the exploit has been publicly disclosed through GitHub Issue Discussion and VulDB #318357, the technique is reproducible by low-skill adversaries with access to administrator accounts.

No verified proof-of-concept code is reproduced here. Refer to the linked external references for technical details of the disclosed exploitation method.

Detection Methods for CVE-2025-8379

Indicators of Compromise

• Unexpected files with script extensions such as .php, .phtml, or .phar inside directories used to store room photos.
• HTTP POST requests to /admin/edit_room.php containing multipart photo fields with non-image content types or oversized payloads.
• Web server access log entries showing direct GET requests to newly created files in the uploads directory shortly after an edit_room.php POST.
• New administrator sessions originating from atypical geolocations or IP addresses preceding upload activity.

Detection Strategies

• Inspect the uploads directory for files whose magic bytes do not match a valid image format.
• Correlate authentication events with subsequent POST requests to edit_room.php to identify suspicious admin sessions.
• Deploy web application firewall rules that block multipart uploads containing PHP tags (<?php) or null-byte injection patterns.

Monitoring Recommendations

• Enable verbose access logging on the /admin/ path and forward logs to a centralized analytics platform for retention and search.
• Monitor file system change events on the web root, alerting on creation of executable script files within static asset directories.
• Track failed and successful admin logins to detect credential stuffing or brute force activity preceding upload attempts.

How to Mitigate CVE-2025-8379

Immediate Actions Required

• Restrict access to the /admin/ directory through network-level controls or an IP allowlist until a fix is available.
• Rotate all administrator credentials and enforce strong, unique passwords with multi-factor authentication where supported.
• Audit the uploads directory and remove any files that are not legitimate image assets.
• Configure the web server to deny script execution within directories used for user-supplied uploads.

Patch Information

No official vendor patch has been published in the referenced advisories. Operators of Campcodes Online Hotel Reservation System 1.0 should consult CampCodes Security Insights for vendor updates and consider applying source-level fixes to validate uploaded file types and extensions.

Workarounds

• Modify /admin/edit_room.php to enforce a strict extension allowlist (.jpg, .jpeg, .png, .gif) and validate MIME type plus magic bytes server-side.
• Rename uploaded files to randomized identifiers and strip user-supplied extensions before persisting them to disk.
• Place upload storage outside the web root or serve it through a handler that returns static content only.
• Add a web server rule (for example, an Apache <Directory> block or Nginx location directive) that disables PHP execution within the uploads path.

# Example Apache configuration disabling script execution in uploads directory
<Directory "/var/www/html/uploads">
    php_admin_flag engine off
    AddType text/plain .php .phtml .phar
    <FilesMatch "\.(php|phtml|phar)$">
        Require all denied
    </FilesMatch>
</Directory>