CVE-2024-13609
📋 TL;DR
The 1 Click WordPress Migration Plugin exposes sensitive user data including usernames and password hashes during backup operations. Unauthenticated attackers can access this information during a brief window when backups are being created. All WordPress sites using this plugin up to version 2.1 are affected.
💻 Affected Systems
- 1 Click WordPress Migration Plugin
📦 What is this software?
1 Click Migration by 1clickmigration
⚠️ Risk & Real-World Impact
Worst Case
Attackers obtain password hashes for all WordPress users, potentially enabling credential cracking and account takeover leading to site compromise.
Likely Case
Attackers harvest password hashes for administrative users, crack weak passwords, and gain administrative access to the WordPress site.
If Mitigated
With proper monitoring and short backup windows, attackers have limited opportunity to access exposed data before it's secured.
🎯 Exploit Status
Exploitation requires timing to access backup files during creation window, but tools could automate this process.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 2.1
Vendor Advisory: https://plugins.trac.wordpress.org/browser/1-click-migration/trunk/inc/backup/class-ocm-backup.php
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find '1 Click WordPress Migration' plugin. 4. Click 'Update Now' if available. 5. If no update available, deactivate and delete the plugin.
🔧 Temporary Workarounds
Disable plugin backups
allTemporarily disable backup functionality in the plugin settings to prevent exposure window
Restrict access to backup directory
linuxAdd .htaccess rules to block web access to backup files
Order deny,allow
Deny from all
🧯 If You Can't Patch
- Deactivate and remove the 1 Click WordPress Migration Plugin immediately
- Implement web application firewall rules to block access to backup file paths
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for '1 Click WordPress Migration' version 2.1 or earlierCheck Version:
wp plugin list --name='1-click-migration' --field=versionVerify Fix Applied:
Verify plugin is either updated to version after 2.1 or completely removed from the WordPress installation📡 Detection & Monitoring
Log Indicators:
- Unusual access to backup files or directories
- Multiple failed login attempts following backup operations
Network Indicators:
- HTTP requests to backup file paths containing sensitive naming patterns
SIEM Query:
source="web_access_logs" AND (uri_path="/wp-content/backup*" OR uri_path="*class-ocm-backup*")