CVE-2023-47771

8.3 HIGH

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the Essential Grid WordPress plugin by ThemePunch OHG. It allows authenticated users to perform actions they shouldn't have permission for, potentially modifying content or settings. All WordPress sites using Essential Grid versions up to 3.0.18 are affected.

💻 Affected Systems

Products:
  • ThemePunch OHG Essential Grid WordPress Plugin
Versions: All versions up to and including 3.0.18
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with Essential Grid plugin. Vulnerability affects all default configurations.

⚠️ 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

Authenticated attackers could modify plugin settings, inject malicious content, or potentially escalate privileges to compromise the entire WordPress site.

🟠

Likely Case

Authenticated users (including low-privilege accounts) could modify grid content, change settings, or access restricted administrative functions.

🟢

If Mitigated

With proper access controls and user role management, impact is limited to authorized users only performing intended actions.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires authenticated access to WordPress. The vulnerability is in access control logic, making exploitation straightforward once authenticated.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.0.19 or later

Vendor Advisory: https://patchstack.com/database/vulnerability/essential-grid/wordpress-essential-grid-plugin-3-0-18-multiple-authenticated-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 Essential Grid and click 'Update Now'. 4. Verify update completes successfully.

🔧 Temporary Workarounds

Disable Essential Grid Plugin

all

Temporarily deactivate the plugin until patched

wp plugin deactivate essential-grid

Restrict User Access

all

Limit authenticated user accounts and review user permissions

🧯 If You Can't Patch

  • Implement strict user role management and review all authenticated user accounts
  • Monitor plugin activity logs for unauthorized access attempts

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Essential Grid version. If version is 3.0.18 or lower, you are vulnerable.

Check Version:

wp plugin get essential-grid --field=version

Verify Fix Applied:

After updating, verify Essential Grid version is 3.0.19 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to Essential Grid admin functions
  • Unexpected modifications to grid content or settings

Network Indicators:

  • Unusual POST requests to Essential Grid admin endpoints from non-admin users

SIEM Query:

source="wordpress.log" AND ("essential-grid" OR "essential_grid") AND ("admin" OR "ajax" OR "save") AND user_role!="administrator"

🔗 References

📤 Share & Export