CVE-2024-56002

6.4 MEDIUM

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the MightyForms WordPress plugin that allows attackers to bypass access controls and perform unauthorized actions. All WordPress sites running MightyForms versions up to 1.3.9 are affected. The vulnerability enables attackers to exploit incorrectly configured access control security levels.

💻 Affected Systems

Products:
  • Contact Form, Survey & Form Builder – MightyForms
Versions: n/a through 1.3.9
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with vulnerable MightyForms 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:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could modify form submissions, access sensitive form data, manipulate survey results, or potentially inject malicious content into forms that affect site visitors.

🟠

Likely Case

Unauthorized users accessing or modifying form data, potentially exposing personally identifiable information (PII) submitted through contact forms or surveys.

🟢

If Mitigated

With proper access controls and authentication checks, only authorized administrators can manage form data and configurations.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

The vulnerability involves broken access control which typically requires minimal technical skill to exploit once discovered.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.4.0 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/mightyforms/vulnerability/wordpress-contact-form-survey-form-builder-mightyforms-plugin-1-3-9-broken-access-control-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find MightyForms and click 'Update Now'. 4. Verify version is 1.4.0 or higher.

🔧 Temporary Workarounds

Disable MightyForms Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate mightyforms

Restrict Admin Access

linux

Limit WordPress admin access to trusted IP addresses only

# Add to .htaccess: Order Deny,Allow
Deny from all
Allow from 192.168.1.0/24

🧯 If You Can't Patch

  • Disable the MightyForms plugin immediately
  • Implement web application firewall (WAF) rules to block unauthorized access attempts to MightyForms endpoints

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins → MightyForms version. If version is 1.3.9 or lower, you are vulnerable.

Check Version:

wp plugin get mightyforms --field=version

Verify Fix Applied:

After updating, verify MightyForms version shows 1.4.0 or higher in WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to /wp-content/plugins/mightyforms/ endpoints
  • Multiple failed authentication attempts followed by successful access to form data

Network Indicators:

  • Unusual traffic patterns to MightyForms API endpoints from unauthorized IPs
  • POST/GET requests to form submission handlers without proper authentication

SIEM Query:

source="wordpress.log" AND ("mightyforms" OR "/wp-content/plugins/mightyforms/") AND (response_code=200 OR response_code=403) AND user="-"

🔗 References

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