CVE-2024-46367
📋 TL;DR
A stored cross-site scripting vulnerability in Webkul Krayin CRM 1.3.0 allows attackers to inject malicious JavaScript via the username field. When executed, this can lead to privilege escalation and unauthorized access to CRM functions. All users running the vulnerable version are affected.
💻 Affected Systems
- Webkul Krayin CRM
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with administrative privileges, data theft, and persistent backdoor access to the CRM.
Likely Case
Session hijacking, data manipulation, and unauthorized access to sensitive customer information.
If Mitigated
Limited impact with proper input validation and output encoding in place.
🎯 Exploit Status
Exploitation requires user interaction but payload execution is straightforward once injected.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available or implementing workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement server-side validation and sanitization of username field inputs to strip or encode malicious characters.
Content Security Policy
allImplement a strict Content Security Policy header to prevent execution of inline scripts.
Content-Security-Policy: default-src 'self'; script-src 'self'
🧯 If You Can't Patch
- Implement web application firewall rules to block XSS payloads in username fields.
- Disable or restrict user registration functionality if not essential.
🔍 How to Verify
Check if Vulnerable:
Test by attempting to inject JavaScript payload into username field and checking if it executes when viewed.Check Version:
Check CRM version in admin panel or configuration files.Verify Fix Applied:
Verify that JavaScript payloads in username fields are properly sanitized and do not execute.📡 Detection & Monitoring
Log Indicators:
- Unusual username entries containing script tags or JavaScript code
- Multiple failed login attempts with suspicious usernames
Network Indicators:
- HTTP requests with username parameters containing script tags or JavaScript
SIEM Query:
source="web_logs" AND (username="*<script>*" OR username="*javascript:*")