CVE-2025-69749
📋 TL;DR
A Cross-Site Scripting (XSS) vulnerability in tale v.2.0.5 allows attackers to inject malicious scripts into web pages viewed by other users. This affects anyone running the vulnerable version of tale software, potentially compromising user sessions and data.
💻 Affected Systems
- tale
📦 What is this software?
Tale by Tale Project
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users, leading to complete account takeover.
Likely Case
Session hijacking, credential theft, or defacement of web pages through script injection.
If Mitigated
Limited impact with proper Content Security Policy (CSP) headers and input validation in place.
🎯 Exploit Status
XSS vulnerabilities are commonly exploited; public PoC available at provided GitHub link.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not provided
Restart Required: No
Instructions:
Check the tale GitHub repository for updates or patches; no official fix detailed in references.
🔧 Temporary Workarounds
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources.
Add 'Content-Security-Policy: default-src 'self'; script-src 'self'' to HTTP headers
Input Sanitization
allSanitize user inputs to remove or encode HTML/JavaScript.
Implement input validation in application code (e.g., use libraries like DOMPurify for JavaScript)
🧯 If You Can't Patch
- Disable or restrict user input fields that could be vulnerable.
- Use web application firewalls (WAF) to filter malicious payloads.
🔍 How to Verify
Check if Vulnerable:
Review application code for unsanitized user inputs in tale v.2.0.5; test with XSS payloads like <script>alert('test')</script>.Check Version:
Check package.json or similar for version: grep -i version /path/to/tale/package.jsonVerify Fix Applied:
After applying workarounds, retest with XSS payloads to ensure no script execution occurs.📡 Detection & Monitoring
Log Indicators:
- Unusual script tags or JavaScript in HTTP request logs
- Multiple failed input validation attempts
Network Indicators:
- HTTP requests containing script tags or encoded payloads
SIEM Query:
source="web_logs" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")