CVE-2025-64823
📋 TL;DR
Adobe Experience Manager versions 6.5.23 and earlier contain a stored XSS vulnerability where low-privileged attackers can inject malicious scripts into form fields. When users visit pages containing these compromised fields, their browsers execute the attacker's JavaScript. This affects all organizations running vulnerable AEM instances.
💻 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, redirect to malicious sites, or install malware on user systems.
Likely Case
Attackers with low privileges could steal session tokens from other users, perform limited unauthorized actions, or deface content.
If Mitigated
With proper input validation and output encoding, the vulnerability would be prevented despite the underlying code flaw.
🎯 Exploit Status
Exploitation requires authenticated access but minimal technical skill once vulnerable fields are identified.
🛠️ 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
Input Validation Filter
allImplement custom servlet filters to sanitize all user input before processing
Implement Java servlet filter with OWASP Java Encoder library for XSS prevention
Content Security Policy
allDeploy strict CSP headers to limit script execution
Add 'Content-Security-Policy: default-src 'self'; script-src 'self'' to HTTP responses
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads
- Restrict low-privileged user access to content authoring interfaces
🔍 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 shows 6.5.24 or later and test form fields with XSS payloads that should be sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to form endpoints with script tags
- Multiple failed login attempts followed by form submissions
Network Indicators:
- HTTP requests containing <script> tags in form parameters
- Outbound connections to suspicious domains after form submissions
SIEM Query:
source="aem-access.log" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")