CVE-2024-11015
📋 TL;DR
The Sign In With Google WordPress plugin up to version 1.8.0 contains an authentication bypass vulnerability due to insufficient null value checks in the 'authenticate_user' function. Unauthenticated attackers can exploit this to log in as the first user who previously authenticated via Google OAuth, potentially gaining administrative access. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Sign In With Google WordPress plugin
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain administrative access to WordPress, allowing complete site takeover, data theft, malware injection, and further network compromise.
Likely Case
Attackers gain access to the first Google-authenticated user account (often an admin), enabling content manipulation, plugin/themes installation, and privilege escalation.
If Mitigated
With proper monitoring and least privilege, impact is limited to the compromised user's permissions, but still represents unauthorized access.
🎯 Exploit Status
Exploitation requires no authentication and minimal technical skill. Public proof-of-concept exists in vulnerability references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.8.1
Vendor Advisory: https://plugins.trac.wordpress.org/browser/sign-in-with-google/trunk/src/admin/class-sign-in-with-google-admin.php#L525
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Sign In With Google' plugin. 4. Click 'Update Now' if available, or manually update to version 1.8.1+. 5. Verify plugin is active and functioning.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the Sign In With Google plugin until patched
wp plugin deactivate sign-in-with-google
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block authentication bypass attempts
- Enable detailed logging for authentication events and monitor for suspicious login patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Sign In With Google' version 1.8.0 or lower
Check Version:
wp plugin get sign-in-with-google --field=version
Verify Fix Applied:
Confirm plugin version is 1.8.1 or higher in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual authentication events for first Google-authenticated user
- Multiple failed login attempts followed by successful login from same IP
- User login without proper OAuth flow in plugin logs
Network Indicators:
- HTTP requests to wp-admin without proper authentication headers
- Unusual traffic patterns to authentication endpoints
SIEM Query:
source="wordpress" AND (event="authentication" OR event="login") AND user="first_google_user" AND result="success" AND plugin="sign-in-with-google"