CVE-2025-13764
📋 TL;DR
The WP CarDealer WordPress plugin has a critical privilege escalation vulnerability that allows unauthenticated attackers to register accounts with administrator privileges. This affects all WordPress sites using WP CarDealer plugin versions up to 1.2.16. Attackers can gain full administrative control over vulnerable WordPress installations.
💻 Affected Systems
- WP CarDealer 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
Complete site takeover with attacker gaining administrator access, allowing them to install backdoors, modify content, steal data, or use the site for further attacks.
Likely Case
Attackers create administrator accounts to gain persistent access, potentially leading to data theft, defacement, or malware distribution.
If Mitigated
With proper controls like web application firewalls and monitoring, attacks can be detected and blocked before successful exploitation.
🎯 Exploit Status
The vulnerability is simple to exploit - attackers only need to send a registration request with administrator role parameter. Public exploit details are available in security advisories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2.17 or later
Vendor Advisory: https://themeforest.net/item/boxcar-automotive-car-dealer-wordpress-theme/49741717
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find WP CarDealer plugin. 4. Update to version 1.2.17 or later. 5. Verify update completed successfully.
🔧 Temporary Workarounds
Disable User Registration
allTemporarily disable user registration functionality in WordPress settings
Web Application Firewall Rule
allBlock registration requests containing administrator role parameters
🧯 If You Can't Patch
- Deactivate the WP CarDealer plugin immediately
- Implement strict network access controls and monitor for suspicious registration attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > WP CarDealer version. If version is 1.2.16 or lower, the system is vulnerable.Check Version:
wp plugin list --name=wp-cardealer --field=versionVerify Fix Applied:
Verify WP CarDealer plugin version is 1.2.17 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual user registration events, especially with administrator role parameters in POST requests
- Multiple failed registration attempts followed by successful administrator registration
Network Indicators:
- HTTP POST requests to registration endpoints with 'administrator' role parameter
- Unusual traffic patterns to user registration pages
SIEM Query:
source="wordpress_logs" AND ("process_register" OR "user_role=administrator" OR "role=administrator")