CVE-2025-64888
📋 TL;DR
Adobe Experience Manager versions 6.5.23 and earlier contain a DOM-based Cross-Site Scripting vulnerability that allows low-privileged attackers to execute malicious JavaScript in victims' browsers. Exploitation requires user interaction such as clicking a crafted link. This affects organizations using vulnerable AEM instances for content management.
💻 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 through drive-by downloads.
Likely Case
Session hijacking, credential theft, or defacement of web content through injected scripts.
If Mitigated
Limited impact with proper Content Security Policy headers and input validation, though vulnerability remains present.
🎯 Exploit Status
Exploitation requires low-privileged attacker access and user interaction. DOM-based XSS typically requires crafted URLs or manipulated page elements.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.5.24 or later
Vendor Advisory: https://helpx.adobe.com/security/products/experience-manager/apsb25-115.html
Restart Required: Yes
Instructions:
1. Download AEM 6.5.24 or later from Adobe's distribution portal. 2. Apply the service pack following Adobe's upgrade documentation. 3. Restart all AEM instances. 4. Verify the update was successful.
🔧 Temporary Workarounds
Implement Content Security Policy
allAdd CSP headers to restrict script execution from untrusted sources
Add 'Content-Security-Policy' header with appropriate directives to web server configuration
Input Validation Filter
allImplement server-side validation for all user inputs
Configure AEM filters to sanitize user inputs before processing
🧯 If You Can't Patch
- Implement strict Content Security Policy headers
- Restrict user permissions to minimize attack surface
🔍 How to Verify
Check if Vulnerable:
Check AEM version via CRXDE Lite or system console. If version is 6.5.23 or earlier, system is vulnerable.
Check Version:
curl -u admin:password http://localhost:4502/system/console/status-productinfo | grep 'Adobe Experience Manager'
Verify Fix Applied:
Verify AEM version is 6.5.24 or later. Test XSS payloads to confirm they are properly sanitized.
📡 Detection & Monitoring
Log Indicators:
- Unusual JavaScript execution patterns
- Requests with suspicious parameters containing script tags
- Multiple failed XSS attempts
Network Indicators:
- HTTP requests with encoded script payloads in parameters
- Redirects to unexpected domains
SIEM Query:
source="aem-access.log" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")