CVE-2024-48415
📋 TL;DR
CVE-2024-48415 is a Cross-Site Scripting (XSS) vulnerability in itsourcecode Loan Management System v1.0 that allows attackers to inject malicious scripts via borrower information fields. This affects all users of the vulnerable version who access the Borrowers page functionality. Attackers can execute arbitrary JavaScript in victims' browsers when they view or interact with compromised borrower records.
💻 Affected Systems
- itsourcecode Loan Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal administrator session cookies, gain full system access, pivot to internal systems, and compromise sensitive financial data including borrower PII and loan records.
Likely Case
Attackers steal user session cookies to impersonate legitimate users, modify borrower data, or redirect users to phishing sites to capture credentials.
If Mitigated
Script execution is blocked by Content Security Policy or input validation, limiting impact to minor UI disruption with no data compromise.
🎯 Exploit Status
Exploitation requires authentication to access Borrowers page. Public GitHub repository contains proof-of-concept payloads for all vulnerable parameters.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Implement workarounds or consider alternative software.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement server-side input validation and output encoding for all user-supplied data in borrower fields
Modify PHP files to apply htmlspecialchars() or filter_var() to lastname, firstname, middlename, address, contact_no, email, and tax_id parameters
Content Security Policy
allImplement strict Content Security Policy headers to prevent script execution from untrusted sources
Add header: Content-Security-Policy: default-src 'self'; script-src 'self'
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) rules to block XSS payloads in borrower parameters
- Restrict access to Borrowers page functionality to trusted users only using IP whitelisting or additional authentication
🔍 How to Verify
Check if Vulnerable:
Test by submitting <script>alert('XSS')</script> to any vulnerable parameter in new borrower form and check if script executes when viewing borrower recordCheck Version:
Check system version in admin panel or review source code for version markersVerify Fix Applied:
Submit same test payloads and verify they are properly sanitized (displayed as text, not executed)📡 Detection & Monitoring
Log Indicators:
- Unusual length or special characters in borrower field submissions
- Multiple failed validation attempts on borrower forms
Network Indicators:
- HTTP requests containing script tags or JavaScript in borrower parameter values
SIEM Query:
web_requests WHERE (parameter_name CONTAINS 'lastname' OR 'firstname' OR 'middlename' OR 'address' OR 'contact_no' OR 'email' OR 'tax_id') AND (parameter_value CONTAINS '<script>' OR 'javascript:' OR 'onload=')