CVE-2024-48652
📋 TL;DR
A Cross-Site Scripting (XSS) vulnerability in Camaleon CMS v2.7.5 allows remote attackers to inject malicious scripts via the content group name field. This could enable attackers to steal session cookies, redirect users, or perform actions on behalf of authenticated users. All users running Camaleon CMS v2.7.5 are affected.
💻 Affected Systems
- Camaleon CMS
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator session cookies, gain administrative access, deface websites, or redirect users to malicious sites, potentially leading to complete site compromise.
Likely Case
Attackers inject malicious scripts that steal user session cookies or credentials, leading to account takeover of regular users or administrators who view the malicious content.
If Mitigated
With proper input validation and output encoding, the malicious scripts would be rendered harmless as text rather than executable code.
🎯 Exploit Status
Exploitation requires the attacker to have access to create or modify content groups. The GitHub reference shows proof-of-concept details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v2.7.6 or later
Vendor Advisory: https://github.com/owen2345/camaleon-cms
Restart Required: No
Instructions:
1. Backup your current installation. 2. Update Camaleon CMS to version 2.7.6 or later using: gem update camaleon_cms. 3. Verify the update completed successfully.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement server-side validation to sanitize content group name inputs by removing or encoding HTML/JavaScript characters.
Content Security Policy
allImplement a strict Content Security Policy header to prevent execution of inline scripts and unauthorized script sources.
Content-Security-Policy: default-src 'self'; script-src 'self'
🧯 If You Can't Patch
- Restrict access to content group management functionality to trusted administrators only.
- Implement web application firewall rules to block XSS payload patterns in content group name fields.
🔍 How to Verify
Check if Vulnerable:
Check if your Camaleon CMS version is 2.7.5 by examining the Gemfile.lock or running: gem list camaleon_cmsCheck Version:
gem list camaleon_cmsVerify Fix Applied:
After updating, verify the installed version is 2.7.6 or later using: gem list camaleon_cms📡 Detection & Monitoring
Log Indicators:
- Unusual content group creation/modification events
- HTTP requests containing script tags or JavaScript in content group parameters
Network Indicators:
- HTTP POST requests to content group endpoints with suspicious payloads
SIEM Query:
source="web_logs" AND (uri_path="/admin/*/groups" OR uri_path="*/groups") AND (http_method="POST" OR http_method="PUT") AND (request_body CONTAINS "<script>" OR request_body CONTAINS "javascript:")