CVE-2024-6828 – The Redux Framework WordPress plugin versions 4... (How to Fix)

Q: What is the severity of CVE-2024-6828?

CVE-2024-6828 has a CVSS score of 7.2 (HIGH). The Redux Framework WordPress plugin versions 4.4.12 to 4.4.17 allow unauthenticated attackers to upload JSON files due to missing authorization checks. This can lead to stored cross-site scripting attacks and, in rare cases when wp_filesystem fails, remote code execution. WordPress sites using vulnerable Redux Framework versions are affected.

📋 TL;DR

The Redux Framework WordPress plugin versions 4.4.12 to 4.4.17 allow unauthenticated attackers to upload JSON files due to missing authorization checks. This can lead to stored cross-site scripting attacks and, in rare cases when wp_filesystem fails, remote code execution. WordPress sites using vulnerable Redux Framework versions are affected.

💻 Affected Systems

Products:

WordPress Redux Framework Plugin

Versions: 4.4.12 to 4.4.17

Operating Systems: All

Default Config Vulnerable: ⚠️ Yes

Notes: All WordPress installations with vulnerable Redux Framework versions are affected 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

Remote code execution leading to complete server compromise, data theft, and persistent backdoor installation.

🟠

Likely Case

Stored cross-site scripting attacks allowing session hijacking, credential theft, and website defacement.

🟢

If Mitigated

Unauthorized file uploads blocked, but potential for denial-of-service attempts remains.

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: LIKELY

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

Unauthenticated exploitation with simple HTTP requests makes this easily weaponizable.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.4.18

Vendor Advisory: https://wordpress.org/plugins/redux-framework/#developers

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Redux Framework and click 'Update Now'. 4. Verify version is 4.4.18 or higher.

🔧 Temporary Workarounds

Disable Redux Framework Plugin

all

Temporarily disable the vulnerable plugin until patched.

wp plugin deactivate redux-framework

Block Unauthenticated File Upload Endpoints

all

Use web application firewall to block access to vulnerable endpoints.

🧯 If You Can't Patch

Disable the Redux Framework plugin immediately.
Implement strict WAF rules to block all unauthenticated POST requests to /wp-admin/admin-ajax.php with redux_upload action.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Redux Framework version. If between 4.4.12 and 4.4.17, vulnerable.

Check Version:

wp plugin list --name=redux-framework --field=version

Verify Fix Applied:

Verify Redux Framework version is 4.4.18 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

POST requests to /wp-admin/admin-ajax.php with action=redux_upload
Unauthenticated file upload attempts to Redux endpoints
JSON file uploads from unauthenticated IPs

Network Indicators:

HTTP POST to /wp-admin/admin-ajax.php with redux_upload parameter
JSON file uploads without authentication cookies

SIEM Query:

source="web_logs" AND uri_path="/wp-admin/admin-ajax.php" AND http_method="POST" AND (form_data CONTAINS "redux_upload" OR query_string CONTAINS "redux_upload")

📊 Metadata

CVE ID: CVE-2024-6828

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

CWE: CWE-434

Published: July 23, 2024

Last Updated: November 21, 2024

🔗 References

📤 Share & Export

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