CVE-2026-75695 in Experience Manager 6.5
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 critical client-side security flaw classified as a Document Object Model-based Cross-Site Scripting vulnerability, commonly referred to as DOM XSS. This specific type of vulnerability arises when an application processes data from the URL or other sources in a way that allows malicious scripts to be injected into the page's DOM tree without proper sanitization. Unlike traditional stored or reflected XSS attacks where server-side code is involved in rendering the payload, this flaw exists entirely within the client-side JavaScript logic. The core technical issue involves insufficient validation of user-supplied input before it is written back to the document using methods such as innerHTML, outerHTML, or unsafe DOM manipulation functions that do not escape special characters effectively. This allows an attacker to inject executable JavaScript code directly into the browser's execution context when a victim interacts with specific components of the Adobe Experience Manager interface.
The operational impact of this vulnerability is significant because it enables attackers to execute arbitrary scripts in the security context of the affected website, which typically involves sensitive enterprise content management operations. By leveraging this flaw, an attacker can bypass same-origin policy restrictions and access cookies, session tokens, or other authentication credentials stored by the browser for that domain. This capability facilitates account hijacking, allowing the adversary to impersonate legitimate users within the Adobe Experience Manager environment. Furthermore, the malicious script can perform actions on behalf of the victim, such as modifying content settings, exfiltrating sensitive data from the application interface, or redirecting the user to phishing sites designed to steal further credentials. The scope change noted in the vulnerability description indicates that the impact extends beyond simple information disclosure to potentially compromising the integrity and confidentiality of the entire web application session associated with Adobe Experience Manager.
Exploitation of this DOM-based XSS requires active user interaction, as it is not an automated remote code execution vector but rather a social engineering dependent attack. A victim must be tricked into visiting a crafted webpage or clicking on a malicious link that contains the exploit payload within its URL parameters or form data. Once the victim's browser loads the Adobe Experience Manager interface with this manipulated input, the vulnerable JavaScript logic processes the untrusted data and executes the injected script. This reliance on user interaction means that while the technical barrier to exploitation is lower than server-side vulnerabilities, successful attacks depend heavily on the attacker's ability to deceive users into triggering the specific code path containing the flaw. The presence of such a vulnerability suggests gaps in input validation strategies within the client-side application logic, highlighting the need for stricter adherence to secure coding practices regarding dynamic content generation.
To mitigate this risk and prevent similar DOM-based XSS attacks, developers must implement robust input validation and output encoding mechanisms specifically tailored for JavaScript contexts. This includes validating all user-supplied data against a whitelist of expected characters and formats before processing it further in the application logic. When displaying untrusted data within the DOM, developers should utilize safe APIs such as textContent or createElement instead of innerHTML where possible, ensuring that any necessary HTML is properly escaped to prevent script execution. Additionally, implementing Content Security Policy headers can provide a layer of defense by restricting the sources from which scripts are allowed to load and execute, thereby limiting the impact even if an injection attempt succeeds. Regular security audits focusing on client-side code paths and automated static analysis tools configured to detect DOM XSS patterns are essential for maintaining the integrity of Adobe Experience Manager deployments. Aligning remediation efforts with industry standards such as CWE-79 ensures that the root cause is addressed systematically rather than through ad-hoc fixes, reducing the likelihood of recurrence in future software updates or custom configurations.