CVE-2025-27930
📋 TL;DR
ManageEngine Applications Manager versions 176600 and prior contain a stored cross-site scripting (XSS) vulnerability in the File/Directory monitor feature. This allows attackers to inject malicious scripts that execute when legitimate users view affected pages. Organizations using vulnerable versions are at risk.
💻 Affected Systems
- Zohocorp ManageEngine Applications Manager
📦 What is this software?
Manageengine Applications Manager by Zohocorp
Manageengine Applications Manager by Zohocorp
Manageengine Applications Manager by Zohocorp
Manageengine Applications Manager by Zohocorp
Manageengine Applications Manager by Zohocorp
Manageengine Applications Manager by Zohocorp
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator session cookies, perform actions as authenticated users, or redirect users to malicious sites, potentially leading to full system compromise.
Likely Case
Attackers with access to the File/Directory monitor feature could inject scripts that steal user credentials or session tokens from administrators viewing the affected pages.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before execution, preventing successful exploitation.
🎯 Exploit Status
Exploitation requires access to the File/Directory monitor feature, which typically requires authentication. The vulnerability is a classic stored XSS that can be exploited with basic web attack techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 176700 or later
Vendor Advisory: https://www.manageengine.com/products/applications_manager/security-updates/security-updates-cve-2025-27930.html
Restart Required: Yes
Instructions:
1. Download the latest version from ManageEngine's website. 2. Backup your current installation. 3. Stop the Applications Manager service. 4. Install the update. 5. Restart the service.
🔧 Temporary Workarounds
Disable File/Directory Monitor
allTemporarily disable the vulnerable File/Directory monitor feature until patching can be completed.
Implement Web Application Firewall
allDeploy a WAF with XSS protection rules to block malicious payloads.
🧯 If You Can't Patch
- Restrict access to the Applications Manager interface to trusted networks only
- Implement Content Security Policy headers to mitigate XSS impact
🔍 How to Verify
Check if Vulnerable:
Check the Applications Manager version in the web interface under Help > About. If version is 176600 or lower, the system is vulnerable.Check Version:
Check via web interface at /appmanager/help/about.jsp or examine the installation directory version files.Verify Fix Applied:
After updating, verify the version shows 176700 or higher in Help > About. Test the File/Directory monitor feature with safe test payloads.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to File/Directory monitor endpoints containing script tags or JavaScript code
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing suspicious script payloads to monitor endpoints
- Unexpected outbound connections from Applications Manager server
SIEM Query:
source="applications_manager" AND (uri="*monitor*" AND (content="<script>" OR content="javascript:"))