CVE-2013-2010
📋 TL;DR
This vulnerability in WordPress W3 Total Cache plugin allows remote attackers to execute arbitrary PHP code on affected servers. It affects WordPress sites using W3 Total Cache plugin version 0.9.2.8, potentially compromising the entire web server.
💻 Affected Systems
- WordPress W3 Total Cache Plugin
📦 What is this software?
Wp Super Cache by Automattic
⚠️ Risk & Real-World Impact
Worst Case
Complete server compromise allowing attacker to install backdoors, steal data, deface websites, or use server for further attacks.
Likely Case
Website defacement, data theft, malware installation, or use as part of botnet.
If Mitigated
Limited impact if proper network segmentation, file integrity monitoring, and least privilege principles are implemented.
🎯 Exploit Status
Public exploit code available, trivial to execute with minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.9.2.9 and later
Vendor Advisory: https://wordpress.org/plugins/w3-total-cache/#developers
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find W3 Total Cache. 4. Click 'Update Now' if available. 5. If not, download latest version from WordPress.org and manually update.
🔧 Temporary Workarounds
Disable W3 Total Cache Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate w3-total-cache
Remove Plugin Files
linuxCompletely remove the vulnerable plugin files.
rm -rf /path/to/wordpress/wp-content/plugins/w3-total-cache/
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block exploit attempts
- Restrict file upload permissions and monitor for unauthorized PHP file creation
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > W3 Total Cache version. If version is 0.9.2.8, system is vulnerable.Check Version:
wp plugin get w3-total-cache --field=versionVerify Fix Applied:
Verify plugin version is 0.9.2.9 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-content/plugins/w3-total-cache/
- Unexpected PHP file creation in cache directories
- Web server error logs showing PHP execution errors
Network Indicators:
- HTTP requests containing PHP code in parameters
- Traffic patterns matching known exploit signatures
SIEM Query:
source="web_server_logs" AND (uri="*w3-total-cache*" AND (method="POST" OR params="*php*"))🔗 References
- http://packetstormsecurity.com/files/130999/WordPress-W3-Total-Cache-PHP-Code-Execution.html
- http://www.exploit-db.com/exploits/25137
- http://www.openwall.com/lists/oss-security/2013/04/24/9
- http://www.securityfocus.com/bid/59316
- http://packetstormsecurity.com/files/130999/WordPress-W3-Total-Cache-PHP-Code-Execution.html
- http://www.exploit-db.com/exploits/25137
- http://www.openwall.com/lists/oss-security/2013/04/24/9
- http://www.securityfocus.com/bid/59316
