CVE-2024-11293

8.1 HIGH

📋 TL;DR

This vulnerability allows unauthenticated attackers to bypass authentication in WordPress sites using the Pie Register plugin. Attackers can log in as any existing user, including administrators, if they have access to the user's email and the user doesn't have an existing account for the social service. All WordPress sites using vulnerable versions of Pie Register are affected.

💻 Affected Systems

Products:
  • Pie Register WordPress Plugin
Versions: All versions up to and including 1.7.9
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires social login feature to be enabled and configured.

⚠️ 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

Complete site takeover where attackers gain administrative access, install backdoors, steal sensitive data, deface the site, or use it for further attacks.

🟠

Likely Case

Attackers gain unauthorized access to user accounts, potentially accessing sensitive user data, performing unauthorized actions, or escalating privileges.

🟢

If Mitigated

Limited impact if strong monitoring detects unusual login patterns and immediate response occurs.

🌐 Internet-Facing: HIGH - WordPress sites are typically internet-facing, and the vulnerability requires no authentication.
🏢 Internal Only: LOW - This primarily affects public-facing WordPress installations.

🎯 Exploit Status

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

Exploitation requires knowledge of target user's email address and that the user doesn't have an existing social account for the service.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 1.8.0 or later

Vendor Advisory: https://pieregister.com/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Pie Register plugin. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 1.8.0+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable Social Login

all

Temporarily disable social login functionality until patched.

Navigate to Pie Register settings → Social Login → Disable all social login providers

Disable Plugin

all

Completely disable Pie Register plugin if social login is not essential.

Navigate to WordPress Plugins → Installed Plugins → Deactivate Pie Register

🧯 If You Can't Patch

  • Implement Web Application Firewall (WAF) rules to block suspicious authentication attempts
  • Enable detailed logging for all authentication events and monitor for unusual patterns

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Installed Plugins → Pie Register version. If version is 1.7.9 or lower, you are vulnerable.

Check Version:

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

Verify Fix Applied:

After updating, verify Pie Register version shows 1.8.0 or higher in WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

  • Multiple failed social login attempts followed by successful login
  • Login events from unusual IP addresses or locations
  • User accounts logging in without corresponding social service validation

Network Indicators:

  • Unusual authentication traffic patterns to social login endpoints
  • Requests to /wp-content/plugins/pie-register/ with authentication parameters

SIEM Query:

source="wordpress" AND (event_type="authentication" OR event_type="login") AND plugin="pie-register" AND version<="1.7.9"

🔗 References

📤 Share & Export