CVE-2024-9117
📋 TL;DR
The Mapplic Lite WordPress plugin has a stored XSS vulnerability in all versions up to 1.0 that allows authenticated attackers with Author-level access to upload malicious SVG files containing JavaScript. When users view these SVG files, the malicious scripts execute in their browsers. This affects all WordPress sites using vulnerable versions of the Mapplic Lite plugin.
💻 Affected Systems
- Mapplic Lite WordPress Plugin
📦 What is this software?
Mapplic by Mapplic
⚠️ 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 Author accounts inject malicious scripts to steal user session cookies or credentials, potentially compromising user accounts.
If Mitigated
With proper user access controls and content security policies, impact is limited to isolated user sessions without broader system compromise.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once attacker has Author privileges.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.0
Vendor Advisory: https://wordpress.org/plugins/mapplic-lite/#developers
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Mapplic Lite and click 'Update Now'. 4. Verify update to version after 1.0.
🔧 Temporary Workarounds
Disable SVG Uploads
allPrevent SVG file uploads through WordPress media library
Add to wp-config.php: define('ALLOW_UNFILTERED_UPLOADS', false);
Add to functions.php: add_filter('upload_mimes', function($mimes) { unset($mimes['svg']); return $mimes; });
Restrict User Roles
allLimit Author and higher privileges to trusted users only
🧯 If You Can't Patch
- Disable Mapplic Lite plugin immediately
- Implement Content Security Policy headers to restrict script execution from uploaded files
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Mapplic Lite version 1.0 or earlierCheck Version:
wp plugin list --name=mapplic-lite --field=versionVerify Fix Applied:
Verify Mapplic Lite plugin version is higher than 1.0 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual SVG file uploads by Author-level users
- Multiple failed login attempts followed by SVG uploads
Network Indicators:
- Unexpected JavaScript execution from SVG file URLs
- External calls from SVG file content
SIEM Query:
source="wordpress" AND (event="plugin_update" AND plugin="mapplic-lite") OR (event="file_upload" AND file_extension="svg")