CVE-2024-38736 – This vulnerability allows attackers to upload m... (How to Fix)

Q: What is the severity of CVE-2024-38736?

CVE-2024-38736 has a CVSS score of 9.1 (CRITICAL). This vulnerability allows attackers to upload malicious files to WordPress sites using the Realtyna Organic IDX plugin, potentially leading to code execution. It affects all WordPress installations with this plugin installed. Attackers can compromise the entire website and potentially the server.

📋 TL;DR

This vulnerability allows attackers to upload malicious files to WordPress sites using the Realtyna Organic IDX plugin, potentially leading to code execution. It affects all WordPress installations with this plugin installed. Attackers can compromise the entire website and potentially the server.

💻 Affected Systems

Products:

Realtyna Organic IDX WordPress Plugin

Versions: All versions up to and including 4.14.13

Operating Systems: Any OS running WordPress

Default Config Vulnerable: ⚠️ Yes

Notes: Affects all WordPress installations with vulnerable plugin versions, regardless of configuration.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:

Review the CVE details at NVD
Check vendor security advisories for your specific version
Test if the vulnerability is exploitable in your environment
Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete server compromise leading to data theft, ransomware deployment, or use as part of a botnet.

🟠

Likely Case

Website defacement, malware injection, backdoor installation, and credential theft.

🟢

If Mitigated

Limited impact with proper file upload restrictions and web application firewalls in place.

🌐 Internet-Facing: HIGH

🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ⚠️ Yes

Weaponized: LIKELY

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

Simple file upload exploitation with publicly available proof-of-concept.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.14.14 or later

Vendor Advisory: https://patchstack.com/database/vulnerability/real-estate-listing-realtyna-wpl/wordpress-realtyna-organic-idx-plugin-4-14-13-arbitrary-file-upload-vulnerability

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Realtyna Organic IDX plugin. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched.

wp plugin deactivate real-estate-listing-realtyna-wpl

Restrict File Uploads

linux

Configure web server to block uploads of executable files.

# Add to .htaccess for Apache: <FilesMatch "\.(php|phtml|php3|php4|php5|pl|py|jsp|asp|sh|cgi)$">
    Order Allow,Deny
    Deny from all
</FilesMatch>

🧯 If You Can't Patch

Remove plugin entirely and use alternative solution
Implement strict WAF rules blocking file uploads to plugin endpoints

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Realtyna Organic IDX for version number. If version is 4.14.13 or lower, you are vulnerable.

Check Version:

wp plugin get real-estate-listing-realtyna-wpl --field=version

Verify Fix Applied:

Verify plugin version is 4.14.14 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

Unusual file uploads to /wp-content/uploads/realtyna/
POST requests to plugin upload endpoints
Execution of unexpected PHP files

Network Indicators:

HTTP POST requests with file uploads to plugin-specific endpoints
Unusual outbound connections from web server

SIEM Query:

source="web_server" AND (uri_path="/wp-content/plugins/real-estate-listing-realtyna-wpl/*" AND method="POST" AND content_type="multipart/form-data")

📊 Metadata

CVE ID: CVE-2024-38736

CVSS v3 Score: 9.1 (CRITICAL)

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

CWE: CWE-434

Published: July 12, 2024

Last Updated: November 21, 2024

🔗 References

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🔗 Related Vulnerabilities

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