CVE-2024-9019
📋 TL;DR
This vulnerability allows authenticated attackers with contributor-level access or higher to inject malicious scripts into WordPress pages using the SecuPress plugin's shortcode. When users visit compromised pages, the scripts execute in their browsers, potentially stealing credentials or performing unauthorized actions. All WordPress sites using SecuPress Free plugin versions up to 2.2.5.3 are affected.
💻 Affected Systems
- SecuPress Free — WordPress Security
📦 What is this software?
Secupress by Secupress
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator credentials, redirect users to malicious sites, deface websites, or perform actions on behalf of authenticated users.
Likely Case
Attackers with contributor access inject malicious scripts that steal user session cookies or redirect users to phishing pages.
If Mitigated
With proper input validation and output escaping, the vulnerability is eliminated, preventing script injection entirely.
🎯 Exploit Status
Exploitation requires authenticated access (contributor or higher). The vulnerability is in a shortcode handler with insufficient sanitization.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.2.5.4 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/secupress/trunk/free/common.php#L238
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find SecuPress Free plugin. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress plugin repository and manually update.
🔧 Temporary Workarounds
Disable SecuPress plugin
linuxTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate secupress
Remove contributor shortcode permissions
allRestrict contributor-level users from using shortcodes via role management.
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads in shortcode attributes.
- Regularly audit user accounts and limit contributor privileges to trusted users only.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > SecuPress Free version. If version is 2.2.5.3 or lower, you are vulnerable.
Check Version:
wp plugin get secupress --field=version
Verify Fix Applied:
After update, verify plugin version is 2.2.5.4 or higher in WordPress admin plugins page.
📡 Detection & Monitoring
Log Indicators:
- Unusual shortcode usage in post/page edits by contributor users
- Multiple failed login attempts followed by successful contributor login
Network Indicators:
- Unexpected script tags in HTTP responses containing secupress_check_ban_ips_form
SIEM Query:
source="wordpress.log" AND "secupress_check_ban_ips_form" AND ("script" OR "onerror" OR "javascript:")