CVE-2024-57776
📋 TL;DR
This cross-site scripting (XSS) vulnerability in JFinalOA allows attackers to inject malicious scripts into the /apply/getEditPage?view interface. When exploited, it enables execution of arbitrary JavaScript in victims' browsers, potentially compromising user sessions or stealing sensitive data. Organizations using JFinalOA versions before 2025.01.01 are affected.
💻 Affected Systems
- JFinalOA
📦 What is this software?
Jfinaloa by Jfinaloa Project
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator credentials, hijack user sessions, deface the application, or redirect users to malicious sites, potentially leading to full system compromise.
Likely Case
Session hijacking, credential theft, or unauthorized actions performed on behalf of authenticated users.
If Mitigated
Limited impact with proper input validation and output encoding, though the vulnerability still exists.
🎯 Exploit Status
The vulnerability is well-documented in the public issue tracker with example payloads. Exploitation requires crafting specific XSS payloads.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v2025.01.01
Vendor Advisory: https://gitee.com/r1bbit/JFinalOA/issues/IBHUS8
Restart Required: Yes
Instructions:
1. Download JFinalOA v2025.01.01 or later from the official repository. 2. Backup current installation and data. 3. Replace existing files with patched version. 4. Restart the application server.
🔧 Temporary Workarounds
Input Validation Filter
allImplement server-side input validation to sanitize user input in the affected endpoint
Implement input validation in the controller handling /apply/getEditPage?view to strip or encode script tags
Content Security Policy
allImplement CSP headers to restrict script execution
Add header: Content-Security-Policy: script-src 'self'
🧯 If You Can't Patch
- Implement a web application firewall (WAF) with XSS protection rules
- Restrict access to the /apply/getEditPage?view interface to trusted users only
🔍 How to Verify
Check if Vulnerable:
Test the /apply/getEditPage?view endpoint with XSS payloads like <script>alert('XSS')</script> and check if script executesCheck Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
After patching, test the same endpoint with XSS payloads to confirm scripts are properly encoded or blocked📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests to /apply/getEditPage?view with script tags or encoded payloads
- Multiple failed authentication attempts followed by successful access to vulnerable endpoint
Network Indicators:
- HTTP requests containing script tags or JavaScript in query parameters
- Unusual outbound connections from the application server
SIEM Query:
source="web_logs" AND (uri="/apply/getEditPage" AND (query CONTAINS "<script>" OR query CONTAINS "javascript:"))