CVE-2025-64537
📋 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 can lead to session hijacking and account compromise. 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 account takeover leading to data theft, privilege escalation, and potential administrative control of the AEM instance.
Likely Case
Session hijacking allowing attackers to impersonate users, access sensitive content, and perform unauthorized actions within the application.
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 the AEM instance.
🛠️ 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 version is updated.
🔧 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 validation for all user inputs
Configure AEM's XSS protection filters in /system/console/configMgr
🧯 If You Can't Patch
- Implement web application firewall rules to block XSS payloads
- Restrict access to AEM instance to trusted networks only
🔍 How to Verify
Check if Vulnerable:
Check AEM version via the welcome page or OSGi console. If version is 6.5.23 or earlier, the system is vulnerable.Check Version:
curl -k https://aem-instance:4502/libs/granite/core/content/login.html | grep 'AEM 6.5'Verify 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 login attempts from same session
Network Indicators:
- Suspicious JavaScript in HTTP requests
- Requests containing common XSS payload patterns
SIEM Query:
source="aem_access.log" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")