CVE-2025-46884
📋 TL;DR
This stored XSS vulnerability in Adobe Experience Manager allows high-privileged attackers to inject malicious JavaScript into form fields. When users visit pages containing the compromised fields, their browsers execute the attacker's code. Only Adobe Experience Manager versions 6.5.22 and earlier are affected.
💻 Affected Systems
- Adobe Experience Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
High-privileged attacker steals administrator credentials, performs account takeover, and deploys backdoors or ransomware across the AEM environment.
Likely Case
Privileged insider or compromised admin account injects malicious scripts to steal session cookies, redirect users to phishing sites, or deface content.
If Mitigated
With proper input validation and output encoding, the attack fails to execute malicious scripts, limiting impact to unsuccessful injection attempts.
🎯 Exploit Status
Exploitation requires authenticated high-privileged access; stored XSS payloads persist until cleaned.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.5.23 or later
Vendor Advisory: https://helpx.adobe.com/security/products/experience-manager/apsb25-48.html
Restart Required: Yes
Instructions:
1. Download AEM 6.5.23+ from Adobe Distribution portal. 2. Apply Service Pack using Package Manager. 3. Restart AEM instance. 4. Verify update via /system/console/status-productinfo endpoint.
🔧 Temporary Workarounds
Input Validation Filter
allImplement custom servlet filter to sanitize form field inputs before processing.
Deploy custom OSGi component with XSS filtering logic
Content Security Policy
allEnable CSP headers to restrict script execution from untrusted sources.
Configure Apache Sling CSP settings via OSGi configuration
🧯 If You Can't Patch
- Restrict high-privileged user accounts to minimum necessary personnel
- Implement web application firewall with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Check AEM version via /system/console/status-productinfo endpoint; if version ≤6.5.22, system is vulnerable.
Check Version:
curl -u admin:password http://aem-host:port/system/console/status-productinfo | grep 'Adobe Experience Manager'
Verify Fix Applied:
After patching, confirm version is ≥6.5.23 and test form fields with XSS payloads like <script>alert('test')</script> to ensure sanitization.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to form submission endpoints with script tags
- Error logs showing XSS filter violations
Network Indicators:
- HTTP requests containing <script> tags in form parameters
- Unexpected JavaScript execution in browser sessions
SIEM Query:
source="aem-access.log" AND ("<script" OR "javascript:" OR "onerror=" OR "onload=")