CVE-2024-25096
📋 TL;DR
This vulnerability allows unauthenticated attackers to execute arbitrary code on WordPress sites running the vulnerable Canto plugin. It affects all WordPress installations using Canto plugin versions up to 3.0.7. Attackers can take complete control of affected websites without requiring any authentication.
💻 Affected Systems
- Canto WordPress Plugin
📦 What is this software?
Canto by Canto
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the WordPress installation, allowing attackers to install backdoors, steal sensitive data, deface websites, or use the server as part of a botnet.
Likely Case
Attackers will install web shells or cryptocurrency miners, potentially leading to data theft, website defacement, or resource abuse.
If Mitigated
With proper network segmentation and web application firewalls, impact could be limited to the specific WordPress instance, preventing lateral movement.
🎯 Exploit Status
Public exploit code is available, and this is being actively exploited in the wild. Attack requires no authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.0.8 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/canto/wordpress-canto-plugin-3-0-6-unauthenticated-remote-code-execution-rce-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Canto plugin and click 'Update Now'. 4. Verify version is 3.0.8 or higher.
🔧 Temporary Workarounds
Disable Canto Plugin
allTemporarily disable the vulnerable plugin until patching is possible
wp plugin deactivate canto
Web Application Firewall Rule
allBlock requests to vulnerable Canto endpoints
# Add WAF rule to block requests to /wp-content/plugins/canto/
🧯 If You Can't Patch
- Immediately disable the Canto plugin via WordPress admin or command line
- Implement network-level blocking of requests to /wp-content/plugins/canto/ paths
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins → Canto version. If version is 3.0.7 or lower, you are vulnerable.Check Version:
wp plugin list --name=canto --field=versionVerify Fix Applied:
After updating, verify Canto plugin shows version 3.0.8 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-content/plugins/canto/ endpoints
- Sudden appearance of unfamiliar PHP files in WordPress directories
- Unexpected process execution from web server user
Network Indicators:
- HTTP requests containing base64 encoded payloads to Canto plugin endpoints
- Outbound connections from web server to unfamiliar IPs/domains
SIEM Query:
source="web_server_logs" AND (uri="/wp-content/plugins/canto/*" AND (method="POST" OR status_code>=400))