CVE-2025-64845
📋 TL;DR
Adobe Experience Manager versions 6.5.23 and earlier contain a stored cross-site scripting vulnerability in form fields. Low-privileged attackers can inject malicious JavaScript that executes in victims' browsers when they view compromised pages. 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 administrator session cookies, perform actions as authenticated users, deface websites, or redirect users to malicious sites.
Likely Case
Session hijacking, credential theft, or unauthorized content modification by authenticated low-privileged users.
If Mitigated
Limited impact with proper input validation, output encoding, and Content Security Policy headers in place.
🎯 Exploit Status
Exploitation requires authenticated access to vulnerable form fields. Attack complexity is low once access is obtained.
🛠️ 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 distribution portal. 2. Apply the service pack following Adobe's upgrade documentation. 3. Restart AEM instance. 4. Verify successful installation via AEM welcome screen.
🔧 Temporary Workarounds
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Add 'Content-Security-Policy' header with appropriate directives to web server configuration
Input Validation Filter
allImplement server-side input validation for all form fields
Configure AEM filters to sanitize user input before processing
🧯 If You Can't Patch
- Restrict low-privileged user access to content editing interfaces
- Implement web application firewall rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check AEM version via Welcome screen or CRXDE. Versions 6.5.23 and earlier are vulnerable.Check Version:
Check AEM welcome screen at /libs/cq/core/content/welcome.html or use CRXDE to check version propertiesVerify Fix Applied:
Verify AEM version is 6.5.24 or later and test form fields with XSS payloads.📡 Detection & Monitoring
Log Indicators:
- Unusual content modifications by low-privileged users
- JavaScript payloads in content update requests
Network Indicators:
- Suspicious script tags in HTTP POST requests to content endpoints
SIEM Query:
source="aem-access.log" AND (POST AND "/content/" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload="))