CVE-2024-3957
📋 TL;DR
The Booster for WooCommerce plugin (also known as WooCommerce Jetpack) contains a vulnerability that allows unauthenticated attackers to execute arbitrary WordPress shortcodes. This affects all WordPress sites running vulnerable versions of the plugin, potentially enabling attackers to perform actions depending on what other plugins with shortcode functionality are installed.
💻 Affected Systems
- Booster for WooCommerce (WooCommerce Jetpack)
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
If combined with plugins containing dangerous shortcodes, attackers could achieve remote code execution, data exfiltration, or complete site takeover.
Likely Case
Attackers can execute unauthorized shortcodes to modify content, redirect users, or access restricted functionality depending on installed plugins.
If Mitigated
With proper web application firewalls and security plugins, exploitation attempts can be blocked before reaching vulnerable code.
🎯 Exploit Status
Unauthenticated exploitation makes this particularly dangerous. The vulnerability is in the product-by-user functionality where user input is not properly sanitized before being processed as shortcodes.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.1.9
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Booster for WooCommerce' or 'WooCommerce Jetpack'. 4. Click 'Update Now' if available. 5. Alternatively, download version 7.1.9+ from WordPress plugin repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the Booster for WooCommerce plugin until patched
wp plugin deactivate woocommerce-jetpack
Web Application Firewall rule
allBlock requests containing suspicious shortcode patterns
🧯 If You Can't Patch
- Implement strict input validation and sanitization for all user-controlled parameters
- Deploy a web application firewall with rules to detect and block shortcode injection attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for 'Booster for WooCommerce' version 7.1.8 or lower
Check Version:
wp plugin get woocommerce-jetpack --field=version
Verify Fix Applied:
Verify plugin version is 7.1.9 or higher in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WooCommerce endpoints with shortcode-like parameters
- Multiple failed shortcode execution attempts in WordPress debug logs
Network Indicators:
- HTTP requests containing [shortcode] patterns in parameters
- Unusual traffic to /wp-admin/admin-ajax.php or WooCommerce endpoints
SIEM Query:
web.url:*woocommerce* AND (web.param:*[shortcode]* OR web.param:*%5Bshortcode%5D*)
🔗 References
- https://plugins.trac.wordpress.org/browser/woocommerce-jetpack/trunk/includes/class-wcj-product-by-user.php#L245
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3076207%40woocommerce-jetpack%2Ftrunk&old=3046146%40woocommerce-jetpack%2Ftrunk&sfp_email=&sfph_mail=#file7
- https://www.wordfence.com/threat-intel/vulnerabilities/id/1653de8f-62eb-488b-9e97-8b30221b509f?source=cve
- https://plugins.trac.wordpress.org/browser/woocommerce-jetpack/trunk/includes/class-wcj-product-by-user.php#L245
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3076207%40woocommerce-jetpack%2Ftrunk&old=3046146%40woocommerce-jetpack%2Ftrunk&sfp_email=&sfph_mail=#file7
- https://www.wordfence.com/threat-intel/vulnerabilities/id/1653de8f-62eb-488b-9e97-8b30221b509f?source=cve