CVE-2025-64841
📋 TL;DR
Adobe Experience Manager versions 6.5.23 and earlier contain a stored Cross-Site Scripting vulnerability that allows low-privileged attackers to inject malicious scripts into form fields. When users visit pages containing these compromised fields, their browsers execute the attacker's JavaScript, potentially leading to session hijacking or data theft.
💻 Affected Systems
- Adobe Experience Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attacker steals administrator session cookies, gains full system control, and exfiltrates sensitive data or deploys ransomware.
Likely Case
Low-privileged attacker steals user session tokens, escalates privileges, and accesses unauthorized data.
If Mitigated
Attack limited to same-origin context with proper CSP headers and input validation in place.
🎯 Exploit Status
Exploitation requires authenticated access but uses common XSS techniques that are well-documented.
🛠️ 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+ from Adobe Distribution portal. 2. Backup current instance. 3. Apply Service Pack using Package Manager. 4. Restart AEM instance. 5. Verify successful update.
🔧 Temporary Workarounds
Input Validation Filter
allImplement custom servlet filter to sanitize form field inputs
Deploy custom XSS filter via OSGi component or servlet filter
Content Security Policy
allImplement strict CSP headers to block inline script execution
Configure Apache/Dispatcher with: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add CSP via AEM OSGi configuration
🧯 If You Can't Patch
- Restrict form field permissions to trusted users only
- Implement 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:password http://localhost:4502/system/console/status-productinfo | grep 'Adobe Experience Manager'
Verify Fix Applied:
After patching, verify version is 6.5.24+ and test form fields with XSS payloads like <script>alert('test')</script>
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to form submission endpoints
- Requests containing script tags or JavaScript in form parameters
- Multiple failed login attempts followed by form submissions
Network Indicators:
- Outbound connections to suspicious domains from AEM server
- Unusual traffic patterns to form handler endpoints
SIEM Query:
source="aem-access.log" AND ("<script" OR "javascript:" OR "onload=" OR "onerror=")