CVE-2025-64888

5.4 MEDIUM

📋 TL;DR

Adobe Experience Manager versions 6.5.23 and earlier contain a DOM-based Cross-Site Scripting vulnerability that allows low-privileged attackers to execute malicious JavaScript in victims' browsers. Exploitation requires user interaction such as clicking a crafted link. This affects organizations using vulnerable AEM instances for content management.

💻 Affected Systems

Products:
  • Adobe Experience Manager
Versions: 6.5.23 and earlier
Operating Systems: All supported platforms
Default Config Vulnerable: ⚠️ Yes
Notes: Affects both author and publish instances. Requires user interaction for exploitation.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could steal session cookies, perform actions as authenticated users, redirect to malicious sites, or install malware through drive-by downloads.

🟠

Likely Case

Session hijacking, credential theft, or defacement of web content through injected scripts.

🟢

If Mitigated

Limited impact with proper Content Security Policy headers and input validation, though vulnerability remains present.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires low-privileged attacker access and user interaction. DOM-based XSS typically requires crafted URLs or manipulated page elements.

🛠️ 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 all AEM instances. 4. Verify the update was successful.

🔧 Temporary Workarounds

Implement Content Security Policy

all

Add CSP headers to restrict script execution from untrusted sources

Add 'Content-Security-Policy' header with appropriate directives to web server configuration

Input Validation Filter

all

Implement server-side validation for all user inputs

Configure AEM filters to sanitize user inputs before processing

🧯 If You Can't Patch

  • Implement strict Content Security Policy headers
  • Restrict user permissions to minimize attack surface

🔍 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:

Verify AEM version is 6.5.24 or later. Test XSS payloads to confirm they are properly sanitized.

📡 Detection & Monitoring

Log Indicators:

  • Unusual JavaScript execution patterns
  • Requests with suspicious parameters containing script tags
  • Multiple failed XSS attempts

Network Indicators:

  • HTTP requests with encoded script payloads in parameters
  • Redirects to unexpected domains

SIEM Query:

source="aem-access.log" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")

🔗 References

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