CVE-2024-32816

7.5 HIGH

📋 TL;DR

This vulnerability in the PickPlugins Post Grid WordPress plugin exposes sensitive information through an API endpoint to unauthorized actors. It affects all versions up to 2.2.78, potentially allowing attackers to access private data from WordPress sites using this plugin.

💻 Affected Systems

Products:
  • PickPlugins Post Grid WordPress plugin
Versions: All versions up to and including 2.2.78
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the Post Grid plugin installed and activated.

⚠️ 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 access sensitive user data, private posts, or administrative information, leading to data breaches, account compromise, or further attacks.

🟠

Likely Case

Unauthorized access to non-public content or metadata that should be restricted, potentially exposing draft posts, private user information, or internal site data.

🟢

If Mitigated

With proper access controls and authentication, the exposed API would only return data to authorized users as intended.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

The vulnerability involves improper access control on an API endpoint, making exploitation straightforward once the endpoint is identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.2.79 or later

Vendor Advisory: https://patchstack.com/database/vulnerability/post-grid/wordpress-combo-blocks-plugin-2-2-78-sensitive-data-exposure-via-api-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Post Grid' plugin. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 2.2.79+ from WordPress.org and manually update.

🔧 Temporary Workarounds

Disable Post Grid Plugin

all

Temporarily deactivate the vulnerable plugin until patched.

wp plugin deactivate post-grid

Restrict API Access

linux

Use web application firewall or .htaccess to block access to the vulnerable API endpoint.

# Add to .htaccess: RewriteRule ^wp-content/plugins/post-grid/.*api.* - [F,L]

🧯 If You Can't Patch

  • Implement strict network access controls to limit who can reach the WordPress site
  • Enable detailed logging and monitoring for suspicious API access patterns

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for Post Grid version. If version is 2.2.78 or lower, you are vulnerable.

Check Version:

wp plugin get post-grid --field=version

Verify Fix Applied:

After updating, verify Post Grid plugin shows version 2.2.79 or higher in WordPress admin.

📡 Detection & Monitoring

Log Indicators:

  • Unusual access patterns to /wp-content/plugins/post-grid/ API endpoints
  • Multiple failed authentication attempts followed by successful API calls

Network Indicators:

  • HTTP requests to Post Grid API endpoints from unexpected IP addresses
  • Unusual data volume being transferred from API endpoints

SIEM Query:

source="wordpress.log" AND ("post-grid" AND "api") AND response_code=200 AND user="-"

🔗 References

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