CVE-2023-3025 – The Dropbox Folder Share WordPress plugin conta... (How to Fix)

Q: What is the severity of CVE-2023-3025?

CVE-2023-3025 has a CVSS score of 7.2 (HIGH). The Dropbox Folder Share WordPress plugin contains a Server-Side Request Forgery (SSRF) vulnerability that allows unauthenticated attackers to make arbitrary web requests from the vulnerable server. This can be used to query or modify internal services that should not be accessible from the internet. All WordPress sites using this plugin version 1.9.7 or earlier are affected.

📋 TL;DR

The Dropbox Folder Share WordPress plugin contains a Server-Side Request Forgery (SSRF) vulnerability that allows unauthenticated attackers to make arbitrary web requests from the vulnerable server. This can be used to query or modify internal services that should not be accessible from the internet. All WordPress sites using this plugin version 1.9.7 or earlier are affected.

💻 Affected Systems

Products:

Dropbox Folder Share WordPress Plugin

Versions: Up to and including version 1.9.7

Operating Systems: Any OS running WordPress

Default Config Vulnerable: ⚠️ Yes

Notes: All installations with the vulnerable plugin version are affected regardless of configuration.

📦 What is this software?

Dropbox Folder Share by Hynotech

View all CVEs affecting Dropbox Folder Share →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could access internal services, steal sensitive data, perform internal network reconnaissance, or pivot to attack other internal systems.

🟠

Likely Case

Attackers will scan for and exploit this vulnerability to access internal services, potentially exposing sensitive information or performing unauthorized actions.

🟢

If Mitigated

With proper network segmentation and egress filtering, impact is limited to the web server's network segment.

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: LIKELY

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

SSRF vulnerabilities are commonly exploited and weaponized quickly due to their utility in internal network attacks.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 1.9.8 or later

Vendor Advisory: https://plugins.trac.wordpress.org/browser/dropbox-folder-share/trunk/HynoTech/DropboxFolderShare/Principal.php#L118

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find Dropbox Folder Share plugin. 4. Click 'Update Now' if available. 5. Alternatively, download version 1.9.8+ from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched.

wp plugin deactivate dropbox-folder-share

Network Egress Filtering

all

Restrict outbound web requests from web server to only necessary destinations.

🧯 If You Can't Patch

Implement web application firewall (WAF) rules to block requests containing SSRF patterns
Restrict network access from web server to internal services using firewall rules

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Dropbox Folder Share version number

Check Version:

wp plugin get dropbox-folder-share --field=version

Verify Fix Applied:

Verify plugin version is 1.9.8 or higher in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

Unusual outbound HTTP requests from web server to internal IPs
Requests to /wp-content/plugins/dropbox-folder-share/ with 'link' parameter containing internal addresses

Network Indicators:

Web server making unexpected HTTP requests to internal services
Traffic from web server to non-standard ports

SIEM Query:

source="web_server_logs" AND uri="/wp-content/plugins/dropbox-folder-share/" AND query="*link=*"

📊 Metadata

CVE ID: CVE-2023-3025

CVSS v3 Score: 7.2 (HIGH)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Published: September 16, 2023

Last Updated: November 21, 2024

🔗 References

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