CVE-2024-25918
📋 TL;DR
This vulnerability allows attackers to upload malicious files to WordPress sites running the InstaWP Connect plugin, leading to remote code execution. It affects all WordPress installations using vulnerable versions of the InstaWP Connect plugin. Attackers can gain full control of affected websites.
💻 Affected Systems
- InstaWP Connect WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the WordPress site, allowing attackers to execute arbitrary code, steal data, deface the site, install backdoors, and pivot to other systems.
Likely Case
Remote code execution leading to website takeover, data theft, malware distribution, or cryptocurrency mining.
If Mitigated
Limited impact if file uploads are restricted via web application firewall or other controls, though risk remains high.
🎯 Exploit Status
Exploitation is straightforward - attackers can upload malicious files without authentication. Public proof-of-concept exists.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.1.0.9 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/instawp-connect/wordpress-instawp-connect-plugin-0-1-0-8-remote-code-execution-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find InstaWP Connect and update to version 0.1.0.9 or later. 4. Alternatively, disable and remove the plugin if not needed.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the InstaWP Connect plugin until patched
wp plugin deactivate instawp-connect
Restrict File Uploads via WAF
allConfigure web application firewall to block suspicious file uploads
🧯 If You Can't Patch
- Remove the InstaWP Connect plugin completely from your WordPress installation
- Implement strict file upload restrictions at the web server level (e.g., .htaccess rules for Apache)
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > InstaWP Connect version. If version is 0.1.0.8 or earlier, you are vulnerable.Check Version:
wp plugin get instawp-connect --field=versionVerify Fix Applied:
Verify plugin version is 0.1.0.9 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to WordPress uploads directory
- POST requests to upload endpoints with suspicious file extensions
- Execution of unexpected PHP files
Network Indicators:
- HTTP POST requests to /wp-content/plugins/instawp-connect/ upload endpoints
- Uploads of files with double extensions like .php.jpg
SIEM Query:
source="web_server" AND (uri_path="/wp-content/plugins/instawp-connect/" AND method="POST") OR (file_extension="php" AND upload="true")