CVE-2025-64830 in Experience Manager
Summary
by MITRE • 09/08/2026
Adobe Experience Manager is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a low-privileged attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field. Scope is changed.
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Analysis
by VulDB Data Team • 09/09/2026
Adobe Experience Manager contains a stored Cross-Site Scripting vulnerability within its form handling components, which allows attackers with low-privileged accounts to inject malicious client-side scripts into persistent data fields. Unlike reflected XSS where the payload is delivered via a link or request parameter that executes immediately and disappears, this flaw involves input validation failures in server-side processing of user-supplied content for forms such as surveys, feedback mechanisms, or administrative entry points. When an attacker submits crafted HTML or JavaScript code through these vulnerable interfaces, the system fails to properly sanitize or encode the special characters before storing them in the backend database or file storage systems associated with the application's data model.
The operational impact of this vulnerability is significant because the malicious payload becomes a permanent part of the web page content served to other users. When an authenticated user with higher privileges, such as an administrator or content manager, navigates to the page displaying the compromised form field, their browser parses and executes the injected script in the context of the Adobe Experience Manager domain. This execution environment grants the attacker access to sensitive cookies, session tokens, local storage data, and potentially the ability to perform actions on behalf of the victim user without their knowledge or consent. The shift from a reflected scope to a stored scope increases the severity because it removes the requirement for social engineering tactics like phishing links; instead, any visit by an authorized user triggers the exploit automatically.
From a technical classification perspective, this vulnerability aligns with CWE-79 Improper Neutralization of Input During Web Page Generation commonly known as Cross-site Scripting and specifically falls under the sub-category of Stored XSS where untrusted data is stored in memory or disk without validation. In terms of adversary behavior mapping to MITRE ATT&CK techniques, this scenario corresponds to T1059 Command and Control via Application Layer Protocol if used for exfiltration or T1204 User Execution if it leads to further malware deployment, though primarily it represents a mechanism for session hijacking and privilege escalation within the web application context. The attacker leverages the trust that users place in the Adobe Experience Manager interface to bypass same-origin policy protections inherent in modern browsers.
Mitigation strategies must focus on both immediate remediation and long-term architectural improvements. Administrators should apply the latest security patches provided by Adobe for their specific version of Experience Manager, as these updates typically include enhanced input validation libraries and stricter output encoding mechanisms. In environments where patching is delayed, implementing a Web Application Firewall with rulesets capable of detecting and blocking XSS payloads in POST requests can provide an additional layer of defense. Furthermore, developers should enforce Content Security Policy headers that restrict script execution to trusted sources only, thereby preventing the injection of arbitrary scripts even if they are stored in the database. Input validation must be implemented on both client-side for user experience feedback and server-side as a definitive security control, ensuring that all special characters such as angle brackets, quotes, and ampersands are properly encoded before being rendered to the end-user browser.