CVE-2025-64550
📋 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 the victim's browser.
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 in place.
🎯 Exploit Status
Exploitation requires user interaction and low-privileged access. DOM-based XSS typically requires specific user actions.
🛠️ 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 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
- Restrict low-privileged user access to AEM authoring interfaces
- Implement web application firewall rules to detect and block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check AEM version via the welcome page or OSGi console. Versions 6.5.23 and earlier are 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 for XSS using security scanning tools.
📡 Detection & Monitoring
Log Indicators:
- Unusual JavaScript payloads in request logs
- Multiple failed login attempts from same IP
- Suspicious URL parameters containing script tags
Network Indicators:
- HTTP requests with encoded script payloads in parameters
- Unusual outbound connections from AEM server
SIEM Query:
source="aem_access.log" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")