CVE-2025-49547
📋 TL;DR
Adobe Experience Manager versions 11.4 and earlier contain a stored cross-site scripting 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 organizations using vulnerable AEM versions 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.
Likely Case
Attackers with low privileges could steal user session data, perform limited unauthorized actions, or deface specific content pages.
If Mitigated
With proper input validation and output encoding, the vulnerability would be prevented, though the underlying code flaw remains.
🎯 Exploit Status
Requires authenticated low-privileged access. Stored XSS typically has lower exploitation complexity than reflected XSS.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to version after 11.4
Vendor Advisory: https://helpx.adobe.com/security/products/aem-screens/apsb25-68.html
Restart Required: Yes
Instructions:
1. Review Adobe advisory APSB25-68. 2. Apply the latest security update for Adobe Experience Manager. 3. Restart AEM services. 4. Verify the update was successful.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and output encoding for all form fields in custom AEM components
Content Security Policy
allImplement Content Security Policy headers to restrict script execution
🧯 If You Can't Patch
- Implement web application firewall rules to block XSS payloads
- Restrict low-privileged user access to content editing capabilities
🔍 How to Verify
Check if Vulnerable:
Check AEM version via admin console or system information. If version is 11.4 or earlier, system is vulnerable.Check Version:
Check AEM admin console at /system/console/status-productinfo or review AEM installation directory version filesVerify Fix Applied:
After patching, verify version is above 11.4 and test form fields for XSS by attempting to inject basic script payloads.📡 Detection & Monitoring
Log Indicators:
- Unusual content modifications by low-privileged users
- JavaScript payloads in form submissions
- Multiple failed XSS attempts
Network Indicators:
- Suspicious script tags in HTTP POST requests to AEM forms
- Unexpected external script loads from AEM pages
SIEM Query:
source="aem_logs" AND ("script" OR "javascript" OR "onload" OR "onerror") AND event_type="form_submission"