CVE-2025-64853
📋 TL;DR
A stored cross-site scripting (XSS) vulnerability in Adobe Experience Manager allows low-privileged attackers to inject malicious scripts into form fields, which execute in victims' browsers when they view the affected pages. This affects versions 6.5.23 and earlier, potentially compromising user sessions and data.
💻 Affected Systems
- Adobe Experience Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users, leading to data breaches or account takeover.
Likely Case
Low-privileged attackers exploit this to hijack user sessions or deface web pages, causing data theft or disruption.
If Mitigated
With proper input validation and output encoding, the risk is minimal, though patching is still recommended to eliminate the vulnerability.
🎯 Exploit Status
Exploitation requires low-privileged access to inject scripts into vulnerable form fields, making it relatively straightforward for attackers with basic knowledge.
🛠️ 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. Backup your Adobe Experience Manager instance. 2. Download and apply the patch from Adobe's official site. 3. Restart the service to apply changes. 4. Verify the update by checking the version.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement server-side input validation and output encoding for all form fields to block malicious script injection.
Configure Adobe Experience Manager security settings to enforce strict content filtering.
Web Application Firewall (WAF) Rules
allDeploy a WAF with rules to detect and block XSS payloads in HTTP requests.
Add custom WAF rules targeting script tags and event handlers in form submissions.
🧯 If You Can't Patch
- Restrict access to vulnerable form fields by implementing role-based access controls to limit low-privileged users.
- Monitor and audit logs for suspicious activity related to form submissions and script injections.
🔍 How to Verify
Check if Vulnerable:
Check the Adobe Experience Manager version via the admin console; if it is 6.5.23 or earlier, it is vulnerable.Check Version:
Use the Adobe Experience Manager admin interface or run system commands specific to your deployment to check the version.Verify Fix Applied:
After patching, confirm the version is 6.5.24 or later and test form fields for script injection attempts.📡 Detection & Monitoring
Log Indicators:
- Unusual form submissions with script tags or JavaScript code in request logs.
Network Indicators:
- HTTP requests containing malicious payloads targeting form fields.
SIEM Query:
Example: search 'form_submission' AND ('script' OR 'javascript') in web server logs.