CVE-2022-3901
📋 TL;DR
CVE-2022-3901 is a prototype pollution vulnerability in Visioweb.js 1.10.6 that allows attackers to inject malicious properties into JavaScript objects. This can lead to cross-site scripting (XSS) attacks where arbitrary JavaScript executes in victims' browsers. Any web application using the vulnerable Visioweb.js library is affected.
💻 Affected Systems
- Visioweb.js
📦 What is this software?
Visioweb by Visioglobe
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of user sessions, credential theft, account takeover, and malware delivery to all users of affected applications.
Likely Case
Session hijacking, credential theft, and unauthorized actions performed on behalf of authenticated users.
If Mitigated
Limited impact with proper content security policies, input validation, and modern browser security features.
🎯 Exploit Status
Prototype pollution vulnerabilities are well-understood and often weaponized for XSS attacks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.10.7 or later
Vendor Advisory: https://csirt.divd.nl/CVE-2022-3901
Restart Required: No
Instructions:
1. Identify all instances of Visioweb.js 1.10.6 in your codebase. 2. Update to version 1.10.7 or later. 3. Test application functionality after update. 4. Deploy updated version to production.
🔧 Temporary Workarounds
Content Security Policy
allImplement strict CSP headers to block inline scripts and restrict script sources
Content-Security-Policy: script-src 'self' https://trusted.cdn.com; object-src 'none';
Input Sanitization
allSanitize all user inputs before processing by Visioweb.js
🧯 If You Can't Patch
- Implement strict Content Security Policy headers
- Disable or remove Visioweb.js functionality if not essential
🔍 How to Verify
Check if Vulnerable:
Check package.json or script tags for Visioweb.js version 1.10.6Check Version:
grep -r "visioweb.js" . --include="*.js" --include="*.html" --include="package.json"Verify Fix Applied:
Confirm Visioweb.js version is 1.10.7 or later in package.json and loaded scripts📡 Detection & Monitoring
Log Indicators:
- Unusual JavaScript errors related to object properties
- Multiple failed XSS attempts
Network Indicators:
- Suspicious JavaScript payloads in HTTP requests
- Unusual outbound connections after page load
SIEM Query:
source="web_server" AND ("visioweb.js" OR "CVE-2022-3901") AND status=200