CVE-2024-13375
📋 TL;DR
The Adifier System WordPress plugin has a critical privilege escalation vulnerability that allows unauthenticated attackers to reset any user's password, including administrators. This enables complete account takeover and potential full site compromise. All WordPress sites using Adifier System plugin versions up to 3.1.7 are affected.
💻 Affected Systems
- Adifier System 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 where attackers gain administrative access, install backdoors, steal sensitive data, deface the site, or use it for further attacks.
Likely Case
Administrative account compromise leading to unauthorized content changes, plugin/themes installation, or data exfiltration.
If Mitigated
Limited impact if strong network controls prevent external access or if additional authentication layers exist.
🎯 Exploit Status
Simple HTTP request manipulation can trigger the vulnerability via adifier_recover() function.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.1.8 or later
Vendor Advisory: https://themeforest.net/item/adifier-classified-ads-wordpress-theme/21633950
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Adifier System plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and remove plugin immediately.
🔧 Temporary Workarounds
Immediate Plugin Deactivation
allTemporarily disable the vulnerable plugin to prevent exploitation
wp plugin deactivate adifier-system
Web Application Firewall Rule
allBlock requests to the vulnerable adifier_recover() endpoint
# Add WAF rule to block POST requests containing 'adifier_recover' in URL or parameters
🧯 If You Can't Patch
- Deactivate and remove the Adifier System plugin immediately
- Implement strict network access controls to limit WordPress admin access to trusted IPs only
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Adifier System version. If version is 3.1.7 or lower, you are vulnerable.Check Version:
wp plugin get adifier-system --field=versionVerify Fix Applied:
Verify plugin version is 3.1.8 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with action=adifier_recover
- Multiple failed login attempts followed by successful login from new IP
- Password reset logs for administrative accounts
Network Indicators:
- HTTP POST requests containing 'adifier_recover' parameter
- Unusual traffic to WordPress admin-ajax.php endpoint
SIEM Query:
source="web_logs" AND (url="*admin-ajax.php*" AND parameters="*adifier_recover*")