CVE-2025-64799
📋 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 victims browse pages containing these compromised fields, their browsers execute the attacker's JavaScript. 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, potentially leading to full system compromise if combined with other vulnerabilities.
Likely Case
Attackers with low privileges could steal session tokens from other users, perform limited unauthorized actions within the application, or deface specific content pages.
If Mitigated
With proper input validation and output encoding, the vulnerability would be prevented, though the underlying code flaw would still exist until patched.
🎯 Exploit Status
Exploitation requires authenticated access with content creation/editing privileges. The vulnerability is in form fields where user input isn't properly sanitized.
🛠️ 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 installation guide. 3. Restart the AEM instance. 4. Verify the update was successful.
🔧 Temporary Workarounds
Input Validation Filter
allImplement custom servlet filters to sanitize user input in form fields before processing
Implement Java servlet filter with OWASP Java Encoder library for input sanitization
Content Security Policy
allImplement strict CSP headers to prevent execution of injected scripts
Add 'Content-Security-Policy: default-src 'self'; script-src 'self'' to HTTP response headers
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads in form submissions
- Restrict user permissions to minimize who can create/edit content with form fields
🔍 How to Verify
Check if Vulnerable:
Check AEM version via CRXDE Lite or system console. If version is 6.5.23 or earlier, the 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 or later and test form fields with basic XSS payloads like <script>alert('test')</script> to ensure they're properly sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual content creation/modification patterns
- Requests containing script tags or JavaScript in form parameters
- Multiple failed login attempts followed by content edits
Network Indicators:
- HTTP requests with suspicious script payloads in POST data
- Unusual outbound connections from AEM server after content updates
SIEM Query:
source="aem-access.log" AND ("<script" OR "javascript:" OR "onload=" OR "onerror=") AND (POST OR PUT)