CVE-2025-14244
📋 TL;DR
GreenCMS 2.3.0603 contains a cross-site scripting (XSS) vulnerability in the Menu Management Page's CustomController.class.php file. Attackers can inject malicious scripts via the Link parameter, potentially compromising user sessions or redirecting to malicious sites. This only affects unsupported versions of GreenCMS.
💻 Affected Systems
- GreenCMS
📦 What is this software?
Greencms by Njtech
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator credentials, hijack sessions, deface websites, or redirect users to malicious sites, potentially leading to full system compromise if combined with other vulnerabilities.
Likely Case
Session hijacking or credential theft for authenticated users accessing the vulnerable admin interface, potentially leading to unauthorized administrative access.
If Mitigated
Limited impact with proper input validation and output encoding, potentially only affecting users with specific browser configurations.
🎯 Exploit Status
Exploit requires user interaction or admin access; proof-of-concept available in public gist.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: None available
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available as product is unsupported. Migrate to supported alternative or implement workarounds.
🔧 Temporary Workarounds
Input Validation and Output Encoding
allImplement server-side validation and HTML encoding for all user inputs, especially the Link parameter in CustomController.class.php
Manual code review and modification of /Admin/Controller/CustomController.class.php
Content Security Policy (CSP)
allImplement strict CSP headers to prevent execution of injected scripts
Add 'Content-Security-Policy' header to web server configuration
🧯 If You Can't Patch
- Restrict access to admin interface using network segmentation and IP whitelisting
- Implement web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check GreenCMS version in admin panel or configuration files; version 2.3.0603 is vulnerableCheck Version:
Check /Application/Common/Conf/config.php or admin panel version displayVerify Fix Applied:
Test Link parameter with XSS payloads after implementing workarounds; verify no script execution occurs📡 Detection & Monitoring
Log Indicators:
- Unusual Link parameter values containing script tags or JavaScript in admin access logs
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests with suspicious Link parameters containing script tags or encoded payloads
SIEM Query:
web.url:*Link=*<script* OR web.url:*Link=*javascript:*