CVE-2025-47091
📋 TL;DR
This stored Cross-Site Scripting (XSS) vulnerability in Adobe Experience Manager allows low-privileged attackers to inject malicious JavaScript into vulnerable form fields. When victims browse pages containing the compromised fields, their browsers execute the attacker's scripts. This affects all users of Adobe Experience Manager versions 6.5.22 and earlier.
💻 Affected Systems
- Adobe Experience Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, perform actions as authenticated users, redirect to malicious sites, or install malware on victim systems.
Likely Case
Session hijacking, credential theft, defacement of web pages, or data exfiltration from user browsers.
If Mitigated
Limited impact with proper input validation, output encoding, and Content Security Policy (CSP) headers in place.
🎯 Exploit Status
Requires authenticated low-privileged access. Exploitation involves injecting JavaScript into vulnerable form fields that persists in the system.
🛠️ 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 channels. 2. Follow Adobe's upgrade documentation for your specific deployment type. 3. Apply the update to all affected instances. 4. Restart the AEM service. 5. Verify the update was successful.
🔧 Temporary Workarounds
Input Validation and Output Encoding
allImplement strict input validation and proper output encoding for all user-controllable form fields.
Implement in application code: Use OWASP ESAPI or similar libraries for output encoding
Content Security Policy (CSP)
allDeploy strict CSP headers to limit script execution sources and prevent inline script execution.
Add to web server config: Content-Security-Policy: script-src 'self'
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) rules to block XSS payloads in form submissions
- Restrict low-privileged user access to content authoring and form submission capabilities
🔍 How to Verify
Check if Vulnerable:
Check AEM version via AEM Web Console (/system/console) or by examining the AEM installation directory for version files.Check Version:
curl -k https://<aem-host>:<port>/system/console/status-productinfo | grep 'Adobe Experience Manager'Verify Fix Applied:
Verify version is 6.5.23 or later and test form fields with XSS payloads to ensure they are properly sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual form submissions with script tags or JavaScript code
- Multiple failed XSS attempts in access logs
Network Indicators:
- HTTP requests containing script tags or JavaScript in form parameters
- Unusual outbound connections from user browsers after visiting AEM pages
SIEM Query:
source="aem_access.log" AND ("<script" OR "javascript:" OR "onerror=" OR "onload=")