CVE-2025-2485 – This vulnerability in the Drag and Drop Multipl... (How to Fix)

Q: What is the severity of CVE-2025-2485?

CVE-2025-2485 has a CVSS score of 7.5 (HIGH). This vulnerability in the Drag and Drop Multiple File Upload for Contact Form 7 WordPress plugin allows PHP object injection via deserialization of untrusted input. Attackers can exploit this by uploading a malicious PHAR file through contact forms, but impact requires another plugin/theme with a POP chain present. Sites using this plugin up to version 1.3.8.7 with Flamingo plugin active are affected.

📋 TL;DR

This vulnerability in the Drag and Drop Multiple File Upload for Contact Form 7 WordPress plugin allows PHP object injection via deserialization of untrusted input. Attackers can exploit this by uploading a malicious PHAR file through contact forms, but impact requires another plugin/theme with a POP chain present. Sites using this plugin up to version 1.3.8.7 with Flamingo plugin active are affected.

💻 Affected Systems

Products:

Drag and Drop Multiple File Upload for Contact Form 7 WordPress plugin

Versions: All versions up to and including 1.3.8.7

Operating Systems: All operating systems running WordPress

Default Config Vulnerable: ⚠️ Yes

Notes: Requires Flamingo plugin to be installed and activated for exploitation. Contact forms with file upload functionality must be present on the site.

📦 What is this software?

Drag And Drop Multiple File Upload Contact Form 7 by Codedropz

View all CVEs affecting Drag And Drop Multiple File Upload Contact Form 7 →

⚠️ Risk & Real-World Impact

🔴

Worst Case

If combined with a POP chain from another plugin/theme, attackers could execute arbitrary code, delete files, or access sensitive data, potentially leading to complete site compromise.

🟠

Likely Case

Limited impact since no POP chain exists in the vulnerable plugin itself; exploitation requires specific additional vulnerable components that may not be present.

🟢

If Mitigated

With proper controls like WAF, file upload restrictions, and minimal plugins, risk is significantly reduced even if vulnerable.

🌐 Internet-Facing: MEDIUM

🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ⚠️ Yes

Complexity: MEDIUM

Exploitation requires: 1) Vulnerable plugin version, 2) Flamingo plugin active, 3) Contact form with file upload, 4) Another plugin/theme with POP chain. No known POP chain in vulnerable plugin itself.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.3.8.8

Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3288132/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Drag and Drop Multiple File Upload for Contact Form 7'. 4. Click 'Update Now' if update available. 5. If not, manually download version 1.3.8.8+ from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Disable Flamingo Plugin

all

Temporarily deactivate Flamingo plugin to prevent exploitation since it's required for the vulnerability.

Restrict File Uploads

all

Configure web server or WAF to block PHAR file uploads through contact forms.

🧯 If You Can't Patch

Deactivate the vulnerable plugin immediately and use alternative file upload solutions.
Implement strict file upload validation at web application firewall level to block PHAR files.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin > Plugins > Installed Plugins for 'Drag and Drop Multiple File Upload for Contact Form 7' version. If version is 1.3.8.7 or lower, you are vulnerable.

Check Version:

wp plugin list --name='drag-and-drop-multiple-file-upload-contact-form-7' --field=version

Verify Fix Applied:

After updating, verify plugin version shows 1.3.8.8 or higher in WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

Unusual file uploads to contact form endpoints, particularly PHAR files
Errors related to deserialization in PHP error logs
Unexpected plugin or theme file modifications

Network Indicators:

HTTP POST requests to contact form upload endpoints with PHAR file extensions
Unusual outbound connections from web server after file uploads

SIEM Query:

source="web_logs" AND (uri_path="/wp-content/plugins/drag-and-drop-multiple-file-upload-contact-form-7/" OR uri_path LIKE "%/wp-json/contact-form-7%") AND (file_extension="phar" OR user_agent CONTAINS "malicious" OR status_code=500)

📊 Metadata

CVE ID: CVE-2025-2485

CVSS v3 Score: 7.5 (HIGH)

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE: CWE-502

EPSS Score: 3.59% exploit probability (87.5th percentile)

Published: March 28, 2025

Last Updated: August 12, 2025

🔗 References

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