CVE-2025-65442
📋 TL;DR
This DOM-based XSS vulnerability in novel V3.5.0 allows attackers to execute arbitrary JavaScript in users' browsers by injecting malicious code through URL parameters or localStorage. Attackers can steal session cookies, redirect users, or perform actions on their behalf. All users of the vulnerable novel software are affected.
💻 Affected Systems
- novel
📦 What is this software?
Novel by Xxyopen
⚠️ Risk & Real-World Impact
Worst Case
Complete account takeover via session cookie theft, data exfiltration, or malware distribution to all users of the vulnerable application.
Likely Case
Session hijacking leading to unauthorized access to user accounts and potential data theft.
If Mitigated
Limited impact with proper Content Security Policy and input validation, though some risk remains.
🎯 Exploit Status
Public proof-of-concept available on GitHub. Exploitation requires user interaction (visiting malicious link).
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider implementing workarounds or migrating to a different platform.
🔧 Temporary Workarounds
Input Sanitization Implementation
allImplement proper input validation and output encoding in the book comment module
Modify backend API to sanitize commentContent field before storage
Replace v-html directive with safe alternatives in Vue components
Content Security Policy
allImplement strict CSP headers to prevent script execution from untrusted sources
Add Content-Security-Policy header: script-src 'self'
🧯 If You Can't Patch
- Disable the book comment module entirely if not essential
- Implement WAF rules to block requests containing suspicious XSS patterns in wvstest parameter
🔍 How to Verify
Check if Vulnerable:
Test by injecting <script>alert('XSS')</script> into comment field or wvstest URL parameter and checking if script executesCheck Version:
Check package.json or application configuration for version informationVerify Fix Applied:
Verify that script tags and JavaScript payloads are properly sanitized and do not execute when injected📡 Detection & Monitoring
Log Indicators:
- Unusual comment submissions with script tags
- Requests with wvstest parameter containing JavaScript code
- Multiple failed comment submissions with XSS patterns
Network Indicators:
- HTTP requests with suspicious parameters containing script tags or JavaScript functions
- Unusual outbound connections following comment submissions
SIEM Query:
source="web_logs" AND (uri="*wvstest=*script*" OR comment="*<script>*")