CVE-2024-44676
📋 TL;DR
eladmin v2.7 and earlier versions contain a Cross-Site Scripting (XSS) vulnerability in LocalStoreController.java that allows attackers to inject malicious scripts. This affects users of eladmin web applications, potentially compromising their sessions or stealing sensitive data.
💻 Affected Systems
- eladmin
📦 What is this software?
Eladmin by Eladmin
⚠️ 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 account takeover or data theft.
Likely Case
Session hijacking, credential theft, or defacement of web pages through injected scripts.
If Mitigated
Minimal impact if input validation and output encoding are properly implemented.
🎯 Exploit Status
Exploitation requires user interaction (e.g., clicking a malicious link).
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v2.8 or later
Vendor Advisory: https://github.com/elunez/eladmin
Restart Required: Yes
Instructions:
1. Update eladmin to version 2.8 or later. 2. Restart the application server. 3. Verify the fix by testing the LocalStoreController endpoints.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and output encoding for user-supplied data in LocalStoreController.java.
🧯 If You Can't Patch
- Implement a Web Application Firewall (WAF) with XSS protection rules.
- Disable or restrict access to the vulnerable LocalStoreController endpoints if not required.
🔍 How to Verify
Check if Vulnerable:
Review the version of eladmin in use; if it is v2.7 or earlier, it is vulnerable. Test by attempting to inject script payloads into LocalStoreController inputs.
Check Version:
Check the application's version in its configuration files or via the admin interface.
Verify Fix Applied:
After updating to v2.8 or later, test the LocalStoreController endpoints with XSS payloads to ensure they are properly sanitized.
📡 Detection & Monitoring
Log Indicators:
- Unusual script tags or JavaScript payloads in request logs to LocalStoreController endpoints.
Network Indicators:
- HTTP requests containing suspicious script injections to vulnerable paths.
SIEM Query:
Search for patterns like '<script>' or 'javascript:' in URLs or POST data targeting /localstore/* endpoints.
🔗 References
- https://github.com/elunez/eladmin
- https://github.com/jcxj/jcxj/blob/master/source/_posts/eladmin-%E5%A4%8D%E7%8E%B0.md
- https://github.com/l1uyi/cve-list/blob/main/cve-list/eladmin-CVE-2024-44676_CVE-2024-44677.md
- https://github.com/l1uyi/cve-list/blob/main/cve-list/eladmin-CVE-2024-44676_CVE-2024-44677.md