CVE-2024-48119
📋 TL;DR
Vtiger CRM v8.2.0 contains an HTML injection vulnerability in the module parameter that allows authenticated users to inject arbitrary HTML content. This could lead to phishing attacks, session hijacking, or defacement within the application interface. Only authenticated users can exploit this vulnerability.
💻 Affected Systems
- Vtiger CRM
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Authenticated malicious user injects malicious HTML/JavaScript that steals session cookies or credentials from other users, leading to account compromise and potential data exfiltration.
Likely Case
Authenticated user injects phishing forms or defaces internal pages, potentially tricking other users into revealing credentials or sensitive information.
If Mitigated
With proper input validation and output encoding, injected HTML would be rendered harmless as plain text.
🎯 Exploit Status
Exploitation requires authenticated access; HTML injection is straightforward with basic web testing tools.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Monitor Vtiger CRM vendor for security updates. 2. Apply patch when available. 3. Test in development environment before production deployment.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement server-side validation and HTML encoding for the module parameter to prevent injection.
Content Security Policy (CSP)
allImplement strict CSP headers to mitigate impact of successful HTML injection.
🧯 If You Can't Patch
- Restrict user permissions to minimize attack surface from authenticated users.
- Implement web application firewall (WAF) rules to detect and block HTML injection attempts.
🔍 How to Verify
Check if Vulnerable:
Test module parameter with HTML payloads like <h1>test</h1> and check if rendered as HTML.Check Version:
Check Vtiger CRM version in admin panel or configuration files.Verify Fix Applied:
Verify that HTML payloads are properly encoded and displayed as plain text.📡 Detection & Monitoring
Log Indicators:
- Unusual HTML/script tags in module parameter requests
- Multiple failed injection attempts
Network Indicators:
- HTTP requests with HTML tags in parameters
- Unusual content-type responses
SIEM Query:
source="web_server" AND (param="module" AND value CONTAINS "<" OR value CONTAINS ">")