CVE-2025-64546
📋 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 visit compromised pages. This affects all users of vulnerable AEM instances.
💻 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 via drive-by downloads.
Likely Case
Session hijacking, credential theft, or defacement of web pages through injected content.
If Mitigated
Limited impact with proper input validation, output encoding, and Content Security Policy headers in place.
🎯 Exploit Status
Requires authenticated low-privileged access. Stored XSS means payload persists until cleaned.
🛠️ 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. 2. Apply Service Pack following Adobe's upgrade documentation. 3. Restart AEM instances. 4. Verify version update.
🔧 Temporary Workarounds
Input Validation Filter
allImplement custom servlet filter to sanitize form field inputs
Implement Java servlet filter with OWASP Java Encoder library
Content Security Policy
allAdd CSP headers to restrict script execution
Add 'Content-Security-Policy: script-src 'self'' to HTTP headers
🧯 If You Can't Patch
- Disable or restrict low-privileged user access to vulnerable form fields
- Implement web application firewall rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check AEM version via /system/console/status-productinfo or CRX Package ManagerCheck Version:
curl -k https://<aem-host>:<port>/system/console/status-productinfo | grep 'Adobe Experience Manager'Verify Fix Applied:
Verify version is 6.5.24 or later and test form fields with XSS payloads📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to form endpoints
- JavaScript payloads in request parameters
- Multiple failed XSS attempts
Network Indicators:
- Suspicious script tags in HTTP POST data
- External script loads from form submissions
SIEM Query:
source="aem-access.log" AND ("<script" OR "javascript:" OR "onload=" OR "onerror=")