CVE-2026-75722 in Experience Manager 6.5
Summary
by MITRE • 09/09/2026
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 Document Object Model based cross-site scripting vulnerability that allows an attacker to inject and execute arbitrary malicious JavaScript code within the context of a victim's browser session. This specific flaw arises from insufficient validation or sanitization of user-supplied input when it is processed by client-side scripts, enabling the manipulation of the DOM environment in unintended ways. Unlike server-side vulnerabilities where data is processed before reaching the end-user, this defect operates entirely on the client side, meaning the malicious payload is executed directly within the victim's web browser after being rendered or manipulated through dynamic content updates.
The operational impact of this vulnerability centers on the potential for unauthorized actions performed under the guise of the authenticated user. By executing arbitrary JavaScript in the context of Adobe Experience Manager, an attacker can bypass same-origin policy restrictions to access sensitive data such as session cookies, authentication tokens, or personally identifiable information stored locally by the application. Furthermore, the attacker may be able to perform state-changing requests on behalf of the victim without their knowledge, potentially leading to account takeover, defacement of content managed within the platform, or using the compromised browser as a pivot point for further network attacks against internal resources that are accessible only from trusted domains.
Exploitation of this vulnerability requires active user interaction, specifically necessitating that the victim visits a crafted webpage controlled by the attacker. This social engineering component is critical to the attack chain, as it relies on tricking the user into loading malicious content or clicking links that trigger the DOM manipulation. Once the victim interacts with the hostile environment, the injected script executes immediately within the trusted context of Adobe Experience Manager, allowing the attacker to harvest credentials, redirect traffic, or exfiltrate data from the vulnerable application instance.
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. Specifically, it falls under DOM-based XSS where the vulnerability is triggered by client-side scripts rather than server-side processing. In terms of tactical mapping within the MITRE ATT&CK framework for Enterprise, this behavior corresponds to T1059 Command and Control scripting, particularly JavaScript execution, which allows attackers to automate tasks or maintain persistence through browser-based mechanisms.
To mitigate this risk, organizations should ensure that Adobe Experience Manager is updated to the latest version provided by Adobe, as patches typically include enhanced input validation and output encoding routines designed to neutralize malicious scripts before they can manipulate the DOM. Additionally, implementing a strict Content Security Policy via HTTP headers can significantly reduce the impact of such vulnerabilities by restricting the sources from which scripts are allowed to load and execute. Developers should also adopt secure coding practices that emphasize rigorous sanitization of all dynamic content injected into the page structure, ensuring that any data derived from user input is treated as untrusted until properly validated against a whitelist of acceptable characters or formats.