CVE-2024-9198
📋 TL;DR
CVE-2024-9198 is a stored cross-site scripting (XSS) vulnerability in Clibo Manager v1.1.9.1 that allows attackers to upload malicious SVG images as profile pictures, which then execute arbitrary JavaScript when viewed. This affects all users of Clibo Manager v1.1.9.1 who have profile picture upload functionality enabled. Attackers can steal session cookies, perform actions as authenticated users, or redirect users to malicious sites.
💻 Affected Systems
- Clibo Manager
📦 What is this software?
Clibo Manager by Clibomanager
⚠️ Risk & Real-World Impact
Worst Case
Complete account takeover, session hijacking, administrative privilege escalation, and lateral movement within the application leading to data exfiltration or system compromise.
Likely Case
Session cookie theft leading to unauthorized access to user accounts, defacement of user profiles, and potential credential harvesting from other users viewing malicious profiles.
If Mitigated
Limited to self-contained profile defacement with no data exfiltration if proper content security policies and input validation are implemented.
🎯 Exploit Status
Exploitation requires authenticated access to upload profile pictures. SVG files with embedded JavaScript payloads can be crafted with minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v1.1.9.2 or later
Vendor Advisory: https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-clibo-manager
Restart Required: Yes
Instructions:
1. Download the latest version of Clibo Manager from the official vendor website. 2. Backup your current installation and database. 3. Replace the existing files with the patched version. 4. Restart the Clibo Manager service or web server. 5. Verify the update by checking the version in the admin panel.
🔧 Temporary Workarounds
Disable SVG uploads
allConfigure the application to reject SVG file uploads in profile picture functionality
Modify file upload validation to exclude .svg extensions in profile picture upload handlers
Implement Content Security Policy
allAdd CSP headers to prevent inline script execution from uploaded content
Add 'Content-Security-Policy: script-src 'self'' header to web server configuration
🧯 If You Can't Patch
- Disable profile picture upload functionality entirely in application settings
- Implement web application firewall rules to block SVG uploads and sanitize file uploads
🔍 How to Verify
Check if Vulnerable:
Check if running Clibo Manager version 1.1.9.1 and test if SVG files with JavaScript payloads can be uploaded as profile picturesCheck Version:
Check admin panel or application configuration for version numberVerify Fix Applied:
Attempt to upload an SVG file containing JavaScript as a profile picture - it should be rejected or sanitized📡 Detection & Monitoring
Log Indicators:
- Unusual SVG file uploads to profile picture endpoints
- Multiple failed upload attempts with different file extensions
- Administrative user login from unexpected locations following profile updates
Network Indicators:
- HTTP POST requests to profile picture upload endpoints with SVG content-type
- Outbound connections to external domains following profile views
SIEM Query:
source="web_server" AND (uri_path="/upload/profile" OR uri_path="/profile/upload") AND (file_extension="svg" OR content_type="image/svg+xml")