CVE-2025-46957
📋 TL;DR
This stored XSS vulnerability in Adobe Experience Manager allows low-privileged attackers to inject malicious JavaScript into vulnerable form fields. When victims browse pages containing these fields, their browsers execute the attacker's scripts. Organizations using 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
Attackers could steal administrator session cookies, perform actions as authenticated users, deface websites, or redirect users to malicious sites.
Likely Case
Attackers with low privileges could steal session cookies of other users, perform limited actions within their permission scope, or deface specific content.
If Mitigated
With proper input validation and output encoding, the vulnerability would be prevented from executing malicious scripts.
🎯 Exploit Status
Requires authenticated low-privileged access to vulnerable form fields
🛠️ 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 Adobe Experience Manager 6.5.23 or later from Adobe's official distribution. 2. Follow Adobe's upgrade documentation for your deployment type (on-premise or cloud). 3. Apply the update to all affected instances. 4. Restart the AEM service.
🔧 Temporary Workarounds
Input Validation Filter
allImplement custom servlet filters to sanitize input in vulnerable form fields
Implement custom Java servlet filter with input validation logic
Content Security Policy
allImplement strict CSP headers to limit script execution
Add Content-Security-Policy header to web server configuration
🧯 If You Can't Patch
- Restrict low-privileged user access to content editing capabilities
- Implement web application firewall rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check AEM version via OSGi console or system/console/bundles endpointCheck Version:
curl -u admin:password http://localhost:4502/system/console/bundles/org.apache.sling.installer.core | grep 'Bundle-Version'Verify Fix Applied:
Verify version is 6.5.23 or later and test form fields with XSS payloads📡 Detection & Monitoring
Log Indicators:
- Unusual content modifications by low-privileged users
- JavaScript payloads in request logs
- Multiple failed XSS attempts
Network Indicators:
- Suspicious script tags in HTTP POST requests to form endpoints
SIEM Query:
source="aem-access.log" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")