CVE-2024-5034
📋 TL;DR
The SULly WordPress plugin before version 4.3.1 lacks Cross-Site Request Forgery (CSRF) protection on certain endpoints, allowing attackers to trick authenticated users into performing unintended actions. This affects WordPress sites using vulnerable versions of the SULly plugin, potentially compromising site integrity or user accounts.
💻 Affected Systems
- SULly WordPress Plugin
📦 What is this software?
Sully by Toolstack
⚠️ Risk & Real-World Impact
Worst Case
Attackers could manipulate administrative actions like plugin/theme installation, user creation, or content deletion, leading to complete site takeover or data loss.
Likely Case
Attackers trick users into changing settings, adding malicious content, or performing limited administrative actions, potentially defacing sites or injecting malware.
If Mitigated
With proper CSRF tokens and user awareness, exploitation requires social engineering and specific conditions, reducing impact to minimal unauthorized changes.
🎯 Exploit Status
Exploitation requires crafting malicious requests and tricking authenticated users, but CSRF attacks are well-understood and tools exist.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.3.1
Vendor Advisory: https://wpscan.com/vulnerability/31f3a3b5-07bf-4cb3-b358-8488808733e0/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find SULly plugin and update to version 4.3.1 or later. 4. Verify update completes successfully.
🔧 Temporary Workarounds
Disable SULly Plugin
linuxTemporarily deactivate the vulnerable plugin until patched.
wp plugin deactivate sully
Implement CSRF Protection Headers
allAdd security headers via .htaccess or web server config to mitigate CSRF risks.
Header set X-Frame-Options "DENY"
Header set Content-Security-Policy "frame-ancestors 'none'"
🧯 If You Can't Patch
- Restrict plugin access to trusted users only via role-based controls.
- Monitor for unusual administrative actions and implement web application firewall rules blocking CSRF patterns.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for SULly version below 4.3.1.
Check Version:
wp plugin list --name=sully --field=version
Verify Fix Applied:
Confirm SULly plugin version is 4.3.1 or higher in WordPress admin or via wp-cli.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to SULly plugin endpoints without referrer headers or CSRF tokens.
- Administrative actions from unexpected IPs or user agents.
Network Indicators:
- HTTP requests with missing or mismatched Origin/Referer headers targeting SULly paths.
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" OR uri_path CONTAINS "sully") AND http_method="POST" AND (NOT csrf_token=* OR referrer="")