CVE-2025-46906
📋 TL;DR
This stored XSS vulnerability in Adobe Experience Manager allows low-privileged attackers to inject malicious JavaScript into vulnerable form fields. When victims browse pages containing the injected scripts, their browsers execute the malicious code. Organizations using Adobe Experience Manager versions 6.5.22 and earlier are affected.
💻 Affected Systems
- Adobe Experience Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator credentials, perform session hijacking, deface websites, or redirect users to malicious sites, potentially leading to full system compromise.
Likely Case
Attackers with low privileges could steal session cookies, perform actions on behalf of authenticated users, or conduct phishing attacks against other users.
If Mitigated
With proper input validation and output encoding, the vulnerability would be prevented, limiting impact to isolated incidents with minimal data exposure.
🎯 Exploit Status
Exploitation requires authenticated low-privileged access to vulnerable form fields
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.5.23 or later
Vendor Advisory: https://helpx.adobe.com/security/products/experience-manager/apsb25-48.html
Restart Required: Yes
Instructions:
1. Download Adobe Experience Manager 6.5.23 or later from Adobe's official distribution. 2. Backup current installation and data. 3. Apply the update following Adobe's upgrade documentation. 4. Restart the AEM service. 5. Verify the update was successful.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement server-side input validation and output encoding for all form fields
Implement Content Security Policy (CSP) headers
Add input validation filters in AEM components
Restrict User Permissions
allLimit low-privileged user access to content creation and editing capabilities
Review and adjust AEM user group permissions
Implement principle of least privilege
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to prevent script execution
- Deploy web application firewall (WAF) rules to detect and block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check AEM version via AEM Web Console (/system/console) or by examining the AEM installation directoryCheck Version:
Check /system/console/bundles for org.apache.sling.installer.core bundle version or examine crx-quickstart folderVerify Fix Applied:
Verify AEM version is 6.5.23 or later and test form fields for XSS vulnerabilities using security testing tools📡 Detection & Monitoring
Log Indicators:
- Unusual content creation/modification patterns
- Suspicious script tags in content updates
- Multiple failed XSS attempts in access logs
Network Indicators:
- Unexpected JavaScript payloads in HTTP requests
- Suspicious content submissions to form endpoints
SIEM Query:
source="aem_access.log" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")