CVE-2024-6799 – The YITH Essential Kit for WooCommerce #1 WordP... (How to Fix)

Q: What is the severity of CVE-2024-6799?

CVE-2024-6799 has a CVSS score of 4.3 (MEDIUM). The YITH Essential Kit for WooCommerce #1 WordPress plugin has a missing capability check vulnerability that allows authenticated users with Subscriber-level access or higher to install, activate, and deactivate YITH plugins from a predefined list. This affects all versions up to and including 2.34.0, potentially enabling privilege escalation and unauthorized plugin management.

📋 TL;DR

The YITH Essential Kit for WooCommerce #1 WordPress plugin has a missing capability check vulnerability that allows authenticated users with Subscriber-level access or higher to install, activate, and deactivate YITH plugins from a predefined list. This affects all versions up to and including 2.34.0, potentially enabling privilege escalation and unauthorized plugin management.

💻 Affected Systems

Products:

YITH Essential Kit for WooCommerce #1 WordPress plugin

Versions: All versions up to and including 2.34.0

Operating Systems: Any OS running WordPress

Default Config Vulnerable: ⚠️ Yes

Notes: Requires WordPress with WooCommerce and the vulnerable plugin installed. Any authenticated user (Subscriber role or higher) can exploit.

📦 What is this software?

Yith Essential Kit For Woocommerce by Yithemes

View all CVEs affecting Yith Essential Kit For Woocommerce →

⚠️ Risk & Real-World Impact

🔴

Worst Case

An attacker could install malicious plugins, gain administrative access, execute arbitrary code, or compromise the entire WordPress site and underlying server.

🟠

Likely Case

Attackers install legitimate but unwanted YITH plugins, modify site functionality, or use installed plugins as stepping stones for further attacks.

🟢

If Mitigated

With proper access controls and monitoring, impact is limited to plugin management disruption without full system compromise.

🌐 Internet-Facing: MEDIUM

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: LIKELY

Unauthenticated Exploit: ✅ No

Complexity: LOW

Exploitation requires authenticated access but is straightforward via crafted HTTP requests to vulnerable endpoints.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.35.0 or later

Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3120283/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'YITH Essential Kit for WooCommerce #1'. 4. Click 'Update Now' if available, or manually update to version 2.35.0+. 5. Verify update completes successfully.

🔧 Temporary Workarounds

Restrict User Registration

all

Disable new user registration to prevent attackers from obtaining Subscriber accounts.

In WordPress admin: Settings > General > Membership: Uncheck 'Anyone can register'

Remove Vulnerable Plugin

all

Temporarily deactivate and delete the vulnerable plugin until patched.

In WordPress admin: Plugins > Installed Plugins > Deactivate 'YITH Essential Kit for WooCommerce #1' > Delete

🧯 If You Can't Patch

Implement strict network access controls to limit WordPress admin access to trusted IPs only.
Monitor and audit plugin installation/activation logs for suspicious activity by low-privilege users.

🔍 How to Verify

Check if Vulnerable:

Check plugin version in WordPress admin: Plugins > Installed Plugins. If version is 2.34.0 or lower, system is vulnerable.

Check Version:

In WordPress database: SELECT option_value FROM wp_options WHERE option_name = 'yith_jetpack_version';

Verify Fix Applied:

Confirm plugin version is 2.35.0 or higher in WordPress admin plugins list.

📡 Detection & Monitoring

Log Indicators:

HTTP POST requests to /wp-admin/admin-ajax.php with action parameters: activate_module, deactivate_module, install_module from low-privilege user accounts
Unexpected plugin installations or activations in WordPress logs

Network Indicators:

Unusual outbound connections from WordPress server after plugin installation

SIEM Query:

source="wordpress.log" AND ("activate_module" OR "deactivate_module" OR "install_module") AND user_role="subscriber"

📊 Metadata

CVE ID: CVE-2024-6799

CVSS v3 Score: 4.3 (MEDIUM)

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

CWE: CWE-862

Published: July 19, 2024

Last Updated: November 21, 2024

🔗 References

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