CVE-2025-1618
📋 TL;DR
This vulnerability in vTiger CRM allows attackers to inject malicious scripts via the _operation parameter in the Mobile module, leading to cross-site scripting (XSS). It affects vTiger CRM versions 6.4.0 and 6.5.0, potentially compromising user sessions and data integrity. The attack can be executed remotely without authentication.
💻 Affected Systems
- vTiger CRM
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users, potentially leading to full account compromise and data theft.
Likely Case
Attackers inject malicious scripts that execute in users' browsers, potentially stealing session tokens or displaying phishing content to users accessing the vulnerable Mobile module.
If Mitigated
With proper input validation and output encoding, the XSS payload would be neutralized, preventing script execution while maintaining functionality.
🎯 Exploit Status
Exploit details have been publicly disclosed, making weaponization likely. Attack requires user interaction to trigger the XSS payload.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.0
Vendor Advisory: https://www.vtiger.com/
Restart Required: No
Instructions:
1. Backup your vTiger CRM database and files. 2. Download vTiger CRM 7.0 from the official website. 3. Follow the vTiger upgrade documentation to migrate from version 6.4.0/6.5.0 to 7.0. 4. Test functionality after upgrade.
🔧 Temporary Workarounds
Disable Mobile Module
linuxTemporarily disable the vulnerable Mobile module to prevent exploitation.
mv /path/to/vtiger/modules/Mobile /path/to/vtiger/modules/Mobile.disabled
Web Application Firewall Rule
allAdd WAF rule to block requests containing XSS patterns in the _operation parameter.
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to mitigate XSS impact
- Deploy web application firewall with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Check if your vTiger installation is version 6.4.0 or 6.5.0 and has /modules/Mobile/index.php accessible.
Check Version:
grep 'vtiger_version' /path/to/vtiger/config.inc.php
Verify Fix Applied:
Verify version is 7.0 or higher and test that XSS payloads in the _operation parameter are properly sanitized.
📡 Detection & Monitoring
Log Indicators:
- HTTP requests to /modules/Mobile/index.php with suspicious _operation parameter values containing script tags or JavaScript
Network Indicators:
- Unusual traffic patterns to the Mobile module endpoint
SIEM Query:
source="web_access_logs" AND uri="/modules/Mobile/index.php" AND (query="*_operation=*<script*" OR query="*_operation=*javascript:*")