CVE-2024-7423
📋 TL;DR
The Stream plugin for WordPress has a Cross-Site Request Forgery vulnerability that allows unauthenticated attackers to trick administrators into performing actions that update arbitrary WordPress options. This can lead to denial of service or privilege escalation attacks. All WordPress sites using Stream plugin versions up to 4.0.1 are affected.
💻 Affected Systems
- WordPress Stream Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain administrative privileges, take full control of the WordPress site, install backdoors, or cause permanent denial of service by corrupting critical site options.
Likely Case
Attackers cause temporary site disruption by modifying critical settings, or gain limited administrative access to modify content or user accounts.
If Mitigated
With proper CSRF protections and admin awareness, exploitation attempts fail, causing no impact beyond failed attack attempts.
🎯 Exploit Status
Exploitation requires social engineering to trick administrators, but the technical exploit is simple once the administrator clicks the malicious link.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.0.2 and later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3139815/stream/trunk/classes/class-network.php
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Stream plugin. 4. Click 'Update Now' if update available. 5. If no update shows, manually download version 4.0.2+ from WordPress.org and replace plugin files.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDeactivate the Stream plugin until patched to prevent exploitation
wp plugin deactivate stream
Add CSRF Protection Manually
allAdd nonce validation to network_options_action() function in class-network.php
Edit wp-content/plugins/stream/classes/class-network.php and add wp_verify_nonce() check before line 353
🧯 If You Can't Patch
- Implement strict Content Security Policy headers to limit cross-origin requests
- Use WordPress security plugins that add additional CSRF protection layers
🔍 How to Verify
Check if Vulnerable:
Check Stream plugin version in WordPress admin under Plugins → Installed Plugins. If version is 4.0.1 or lower, you are vulnerable.Check Version:
wp plugin get stream --field=versionVerify Fix Applied:
After updating, verify Stream plugin shows version 4.0.2 or higher in WordPress admin plugins list.📡 Detection & Monitoring
Log Indicators:
- Unauthorized POST requests to /wp-admin/network.php with stream_action parameters
- Sudden changes to WordPress options without admin login events
- Multiple failed CSRF validation attempts in WordPress debug logs
Network Indicators:
- POST requests to admin endpoints without proper referrer headers
- Suspicious redirects to admin URLs from external sites
SIEM Query:
source="wordpress" AND (uri_path="/wp-admin/network.php" AND method="POST" AND params CONTAINS "stream_action")