CVE-2026-75681 in Experience Manager as a Cloud Service
Summary
by MITRE • 09/08/2026
Adobe Experience Manager is affected by a DOM-based Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this issue by manipulating the DOM environment to execute malicious JavaScript within the context of the victim's browser. Exploitation of this issue requires user interaction in that a victim must visit a crafted webpage. Scope is changed.
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Analysis
by VulDB Data Team • 09/09/2026
Adobe Experience Manager contains a client-side vulnerability classified as a Document Object Model based Cross-Site Scripting flaw, which allows an attacker to inject and execute malicious JavaScript code within the context of a victim's web browser. This specific type of vulnerability arises when an application accepts untrusted data from sources such as URL parameters or form inputs and writes it directly into the DOM without proper validation or encoding. In this instance, the Adobe Experience Manager interface fails to adequately sanitize user-supplied input before rendering it in the client-side environment, creating a pathway for script injection that bypasses server-side security controls by operating entirely within the browser's execution context.
The technical mechanism of exploitation involves an attacker crafting a malicious webpage or link containing specially constructed JavaScript payloads designed to leverage the specific DOM manipulation functions used by Adobe Experience Manager. When a victim interacts with this crafted content, typically by visiting the malicious URL or clicking on a manipulated element, the browser parses the injected script and executes it as if it were part of the legitimate application code. This process does not require any server-side compromise because the attack vector is localized to the client side, relying entirely on the trust relationship between the user's browser and the Adobe Experience Manager domain.
The operational impact of this vulnerability is significant due to its potential for session hijacking, credential theft, and defacement. By executing arbitrary JavaScript in the context of the victim's browser, an attacker can access sensitive cookies containing authentication tokens, read confidential data displayed on the page, or perform actions on behalf of the authenticated user without their knowledge. This effectively allows the attacker to impersonate the victim within Adobe Experience Manager, potentially leading to unauthorized modifications of content, exposure of proprietary information, and further lateral movement if other services are accessible from the same domain context. The requirement for user interaction means that social engineering tactics such as phishing or malicious links in emails are necessary initial steps, but once triggered, the exploitation is automated and immediate within the browser environment.
From a classification perspective, this vulnerability aligns with CWE-79, which describes Improper Neutralization of Input During Web Page Generation commonly known as Cross-site Scripting. The specific variant here falls under DOM-based XSS where the data source is the document object model itself rather than server-side response bodies. In terms of offensive security frameworks, this attack vector corresponds to MITRE ATT&CK technique T1059 which covers Command and Scripting Interpreter execution via browser scripts, specifically leveraging client-side code injection to achieve unauthorized access or control over user sessions.
Mitigation strategies for this vulnerability involve both immediate technical fixes and long-term architectural improvements. Adobe has released patches that address the input validation logic within the affected components of Experience Manager, ensuring that all dynamic content is properly encoded before being rendered in the DOM. Administrators should apply these updates immediately to close the security gap. Additionally, implementing a Content Security Policy can help mitigate the impact by restricting the sources from which scripts are allowed to execute, thereby preventing injected malicious code from running even if it is successfully inserted into the page. Developers must also adopt secure coding practices that emphasize input validation and output encoding on all client-side interfaces handling user data to prevent similar DOM-based injection flaws in future iterations of the software.