CVE-2024-13555
📋 TL;DR
This CSRF vulnerability in the 1 Click WordPress Migration plugin allows unauthenticated attackers to cancel triggered backups by tricking administrators into clicking malicious links. All WordPress sites using this plugin up to version 2.1 are affected. Attackers can disrupt backup operations without requiring authentication.
💻 Affected Systems
- 1 Click WordPress Migration Plugin
📦 What is this software?
1 Click Migration by 1clickmigration
⚠️ Risk & Real-World Impact
Worst Case
Critical backup operations are canceled during disaster recovery scenarios, leading to permanent data loss and extended downtime.
Likely Case
Attackers cancel scheduled or manual backups, causing data loss and requiring manual intervention to restore backup processes.
If Mitigated
With proper CSRF protections and user awareness, exploitation attempts fail, maintaining backup integrity.
🎯 Exploit Status
Exploitation requires social engineering to trick administrators but no technical complexity.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 2.1
Vendor Advisory: https://wordpress.org/plugins/1-click-migration/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find '1 Click WordPress Migration'. 4. Click 'Update Now' if available. 5. If no update available, deactivate and delete the plugin.
🔧 Temporary Workarounds
CSRF Protection via .htaccess
allAdd CSRF protection headers to WordPress admin area
# Add to .htaccess in WordPress root directory
<IfModule mod_headers.c>
Header set X-Frame-Options "DENY"
Header set Content-Security-Policy "frame-ancestors 'none'"
</IfModule>
🧯 If You Can't Patch
- Deactivate the 1 Click WordPress Migration plugin immediately
- Implement alternative backup solutions and remove the vulnerable plugin
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for '1 Click WordPress Migration' version 2.1 or lowerCheck Version:
wp plugin list --name='1-click-migration' --field=versionVerify Fix Applied:
Verify plugin version is higher than 2.1 or plugin is completely removed📡 Detection & Monitoring
Log Indicators:
- Unusual backup cancellation events
- Multiple failed backup attempts from same user session
- Admin actions from unexpected IP addresses
Network Indicators:
- HTTP POST requests to /wp-admin/admin-ajax.php with action=cancel_actions without proper referrer headers
SIEM Query:
source="wordpress.log" AND "cancel_actions" AND NOT referer="*wp-admin*"