CVE-2024-52391

5.3 MEDIUM

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the Pie Register Premium WordPress plugin that allows unauthorized users to access functionality intended only for authorized users. All WordPress sites running Pie Register Premium versions before 3.8.3.3 are affected. The vulnerability enables broken access control to certain plugin features.

💻 Affected Systems

Products:
  • Pie Register Premium WordPress Plugin
Versions: All versions before 3.8.3.3
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with Pie Register Premium 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 administrative functions, modify user registration settings, or potentially access sensitive user data stored by the plugin.

🟠

Likely Case

Unauthorized users accessing registration management features, potentially modifying registration forms or settings.

🟢

If Mitigated

With proper network segmentation and least privilege access, impact would be limited to the WordPress application layer only.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires understanding of WordPress plugin structure but no special tools or advanced skills.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.8.3.3

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/pie-register-premium/vulnerability/wordpress-pie-register-premium-plugin-3-8-3-3-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 Pie Register Premium. 4. Click 'Update Now' if available. 5. Alternatively, download version 3.8.3.3 from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the Pie Register Premium plugin until patching is possible.

wp plugin deactivate pie-register-premium

Restrict Access

all

Use web application firewall rules to restrict access to Pie Register plugin endpoints.

🧯 If You Can't Patch

  • Implement strict network access controls to limit who can access the WordPress admin interface.
  • Enable WordPress security plugins that provide additional authorization checks and activity monitoring.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins → Pie Register Premium version number.

Check Version:

wp plugin list --name=pie-register-premium --field=version

Verify Fix Applied:

Verify plugin version is 3.8.3.3 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to Pie Register plugin endpoints
  • Unusual user activity in WordPress user registration functions

Network Indicators:

  • HTTP requests to /wp-content/plugins/pie-register-premium/ from unauthorized IPs

SIEM Query:

source="wordpress.log" AND "pie-register-premium" AND (status=403 OR status=401)

🔗 References

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