CVE-2025-64538
📋 TL;DR
Adobe Experience Manager versions 6.5.23 and earlier contain a DOM-based Cross-Site Scripting vulnerability that allows attackers to execute arbitrary JavaScript in victims' browsers. Successful exploitation could lead to session takeover and compromise of user data. This affects all users of vulnerable AEM instances who visit malicious pages.
💻 Affected Systems
- Adobe Experience Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete session takeover leading to administrative account compromise, data theft, and potential lateral movement within the organization.
Likely Case
Session hijacking of regular users leading to unauthorized access to sensitive content and potential privilege escalation.
If Mitigated
Limited impact with proper Content Security Policy headers and input validation, though vulnerability remains present.
🎯 Exploit Status
Exploitation requires user interaction (victim must visit malicious page) but no authentication to AEM is needed.
🛠️ 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 the AEM instance. 4. Verify the update was successful.
🔧 Temporary Workarounds
Implement Content Security Policy
allAdd strict CSP headers to prevent script execution from untrusted sources
Add 'Content-Security-Policy: script-src 'self'' to web server configuration
Input Validation Filter
allImplement server-side input validation for all user-controlled data
Configure AEM's XSS protection filters and custom servlet filters
🧯 If You Can't Patch
- Implement strict Content Security Policy headers to limit script execution
- Deploy web application firewall with XSS protection rules
🔍 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:admin http://localhost:4502/system/console/status-productinfoVerify Fix Applied:
Verify AEM version is 6.5.24 or later and test XSS payloads are properly sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual JavaScript payloads in request logs
- Multiple failed XSS attempts
Network Indicators:
- Suspicious script tags in HTTP requests to AEM endpoints
SIEM Query:
source="aem_access.log" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")