CVE-2024-9027
📋 TL;DR
The WPZOOM Shortcodes plugin for WordPress has a stored cross-site scripting vulnerability that allows authenticated attackers with contributor-level access or higher to inject malicious scripts into website pages. These scripts execute whenever users view the compromised pages, potentially stealing credentials or performing unauthorized actions. All WordPress sites using this plugin up to version 1.0.5 are affected.
💻 Affected Systems
- WPZOOM Shortcodes WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator credentials, deface websites, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers with contributor access inject malicious scripts to steal user session cookies or credentials, potentially escalating privileges.
If Mitigated
With proper user access controls and content security policies, impact is limited to isolated script execution without data compromise.
🎯 Exploit Status
Exploitation requires authenticated access at contributor level or higher. Technical details and proof-of-concept are publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.6 or later
Vendor Advisory: https://wordpress.org/plugins/wpzoom-shortcodes/#developers
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WPZOOM Shortcodes and click 'Update Now'. 4. Verify plugin version is 1.0.6 or higher.
🔧 Temporary Workarounds
Disable WPZOOM Shortcodes Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate wpzoom-shortcodes
Restrict Contributor Access
linuxTemporarily remove contributor-level access for untrusted users
wp user list --role=contributor --field=ID | xargs wp user set-role subscriber
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Regularly audit user accounts and remove unnecessary contributor-level access
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for WPZOOM Shortcodes version
Check Version:
wp plugin list --name=wpzoom-shortcodes --field=version
Verify Fix Applied:
Verify plugin version is 1.0.6 or higher in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WordPress admin-ajax.php with 'box' shortcode parameters
- Multiple failed login attempts followed by successful contributor login
Network Indicators:
- Unexpected JavaScript payloads in WordPress page content
- External script calls from WordPress pages
SIEM Query:
source="wordpress.log" AND ("wpzoom-shortcodes" OR "[box") AND ("script" OR "javascript" OR "onclick")