CVE-2024-54217

5.4 MEDIUM

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the ARForms WordPress plugin that allows authenticated users with subscriber-level permissions to modify plugin settings. This affects all ARForms installations from unspecified versions through 6.4.1. The vulnerability enables privilege escalation where low-privileged users can change plugin configuration.

💻 Affected Systems

Products:
  • ARForms WordPress Plugin
Versions: n/a through 6.4.1
Operating Systems: All platforms running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all WordPress installations using vulnerable ARForms versions. Requires at least subscriber-level authenticated access.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Subscriber-level users could modify critical plugin settings, potentially enabling form injection, data manipulation, or further privilege escalation to administrator access.

🟠

Likely Case

Subscriber users could alter form configurations, change submission handling, or modify plugin behavior in unintended ways.

🟢

If Mitigated

With proper role-based access controls and monitoring, impact would be limited to unauthorized configuration changes that could be detected and reverted.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires authenticated subscriber access. The vulnerability is in authorization checks for plugin settings endpoints.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 6.4.2 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/arforms/vulnerability/wordpress-arforms-plugin-6-4-1-subscriber-plugin-settings-change-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find ARForms and click 'Update Now'. 4. Verify update to version 6.4.2 or higher.

🔧 Temporary Workarounds

Temporary Role Restriction

all

Temporarily restrict subscriber role capabilities until patch can be applied

wp role reset subscriber --hard

Plugin Deactivation

all

Temporarily deactivate ARForms plugin if not critically needed

wp plugin deactivate arforms

🧯 If You Can't Patch

  • Implement strict role-based access controls and monitor subscriber activity
  • Use web application firewall rules to block unauthorized POST requests to ARForms endpoints

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > ARForms version. If version is 6.4.1 or lower, system is vulnerable.

Check Version:

wp plugin get arforms --field=version

Verify Fix Applied:

Verify ARForms plugin version is 6.4.2 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized POST requests to /wp-admin/admin-ajax.php with arforms-related actions from subscriber users
  • Plugin setting changes from non-administrator accounts

Network Indicators:

  • POST requests to ARForms admin endpoints from low-privilege user accounts

SIEM Query:

source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php") AND (user_role="subscriber") AND (action="arforms_*")

🔗 References

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