CVE-2025-2711
📋 TL;DR
This vulnerability in Yonyou UFIDA ERP-NC 5.0 allows attackers to inject malicious scripts via the langcode parameter in /help/systop.jsp, leading to cross-site scripting (XSS). Attackers can execute arbitrary JavaScript in victims' browsers when they visit the vulnerable page. Organizations using UFIDA ERP-NC 5.0 with the vulnerable /help/systop.jsp component are affected.
💻 Affected Systems
- Yonyou UFIDA ERP-NC
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, redirect users to malicious sites, perform actions on behalf of authenticated users, or deliver malware through the vulnerable page.
Likely Case
Session hijacking, credential theft, or defacement of the vulnerable page through injected content.
If Mitigated
Limited impact if input validation and output encoding are properly implemented, though the vulnerability still exists.
🎯 Exploit Status
Exploit details are publicly available, making it easy for attackers to craft and launch attacks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
No official patch available; rely on workarounds or contact Yonyou for updates.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement server-side validation and sanitization of the langcode parameter to block malicious input.
Web Application Firewall (WAF) Rules
allDeploy WAF rules to detect and block XSS payloads targeting the /help/systop.jsp endpoint.
🧯 If You Can't Patch
- Restrict access to /help/systop.jsp using network controls or authentication.
- Monitor logs for suspicious requests to the vulnerable endpoint.
🔍 How to Verify
Check if Vulnerable:
Test by injecting a simple XSS payload (e.g., <script>alert('test')</script>) into the langcode parameter of /help/systop.jsp and check if it executes.Check Version:
Check the ERP-NC version via administrative interface or configuration files.Verify Fix Applied:
Re-test with the same payload after applying workarounds; ensure no script execution occurs.📡 Detection & Monitoring
Log Indicators:
- Unusual requests to /help/systop.jsp with script-like content in parameters.
- Log entries showing XSS payloads in langcode parameter.
Network Indicators:
- HTTP requests containing <script> tags or JavaScript in the langcode parameter.
SIEM Query:
source="web_logs" AND uri="/help/systop.jsp" AND (langcode CONTAINS "<script>" OR langcode CONTAINS "javascript:")