CVE-2024-11441
📋 TL;DR
A stored XSS vulnerability in Serge version 0.9.0 allows attackers to inject malicious JavaScript into chat prompts. When users view the chat, the code executes in their browser, potentially stealing credentials or performing phishing attacks. Anyone using Serge 0.9.0 is affected.
💻 Affected Systems
- Serge
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal session cookies, compromise user accounts, redirect to malicious sites, or perform actions as authenticated users.
Likely Case
Session hijacking, credential theft, phishing attacks, or defacement of chat interface.
If Mitigated
Limited to UI manipulation if CSP headers block script execution, but content injection still possible.
🎯 Exploit Status
Exploit requires ability to send chat messages; authenticated users or compromised accounts can trigger.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.9.1 or later
Vendor Advisory: https://huntr.com/bounties/ae76d1ea-21a4-456d-bef2-331aef3ea376
Restart Required: Yes
Instructions:
1. Backup current configuration. 2. Update Serge to version 0.9.1 or later. 3. Restart the Serge service. 4. Verify the fix by checking the version.
🔧 Temporary Workarounds
Input Sanitization
allImplement server-side input validation to strip HTML/JavaScript from chat messages.
Implement proper escaping in chat message handling code
Content Security Policy
allDeploy CSP headers to restrict script execution from untrusted sources.
Add 'Content-Security-Policy: script-src 'self'' to web server headers
🧯 If You Can't Patch
- Restrict chat access to trusted users only
- Monitor chat logs for suspicious HTML/JavaScript patterns
🔍 How to Verify
Check if Vulnerable:
Check if Serge version is 0.9.0; test by injecting <script>alert('XSS')</script> into chat and see if it executes.Check Version:
Check Serge configuration or run 'serge --version' if availableVerify Fix Applied:
After patching, attempt the same XSS test; script should be displayed as text, not executed.📡 Detection & Monitoring
Log Indicators:
- Chat messages containing <script> tags or JavaScript code
- Unusual chat activity from single user
Network Indicators:
- HTTP requests with encoded script payloads in POST data
SIEM Query:
source="serge_logs" AND message="*<script>*"