CVE-2026-75667 in Experience Manager
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 • 09/08/2026
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 session. This specific type of vulnerability arises from improper validation or sanitization of user-supplied input that is subsequently written directly into the DOM without adequate encoding. Unlike server-side XSS where the payload is stored on the backend or reflected in HTTP responses, this client-side execution relies heavily on how JavaScript handles dynamic content updates and event handlers within the browser environment itself. The presence of such a flaw indicates that the application fails to properly distinguish between executable code and data when processing input streams, creating an opening for script injection attacks.
The operational impact of exploiting this vulnerability is significant because it enables attackers to bypass same-origin policy restrictions by running scripts in the security context of the vulnerable Adobe Experience Manager instance. Once executed, the malicious JavaScript can perform a variety of harmful actions including stealing session cookies or authentication tokens, hijacking user sessions, performing unauthorized administrative actions on behalf of the victim, defacing the website interface, or redirecting users to phishing sites designed to harvest credentials. Since the attack occurs entirely within the browser environment, it does not leave traces in server logs, making detection and forensic analysis more challenging for security operations teams relying solely on traditional network monitoring tools.
Exploitation of this vulnerability requires active user interaction as a victim must visit a specially crafted webpage or click on a malicious link that triggers the vulnerable code path within Adobe Experience Manager. This dependency on social engineering tactics means that attackers typically employ phishing campaigns, compromised websites, or drive-by download techniques to lure victims into triggering the exploit. The requirement for user engagement does not diminish the severity of the risk but rather shifts the attack vector from automated remote exploitation to targeted human-centric attacks where trust in links or embedded content is manipulated by the adversary.
From a standards 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 DOM-based XSS patterns often associated with CWE-813. In terms of offensive security frameworks such as MITRE ATT&CK, this technique maps to Taint Analysis failures leading to Client-side Injection attacks and is frequently utilized in the initial access or credential harvesting phases of an attack lifecycle where browser context manipulation is leveraged for persistence or data exfiltration. Understanding these mappings helps organizations prioritize remediation efforts based on established risk taxonomies and threat intelligence models.
To mitigate this vulnerability, Adobe has released patches that address the underlying code flaws responsible for the improper handling of input within the DOM environment. Administrators should immediately apply the latest security updates provided by Adobe to ensure that all known client-side injection points are neutralized through proper encoding and validation mechanisms. Additionally, organizations can implement defense-in-depth strategies such as deploying Content Security Policy headers which restrict the sources from which scripts can be loaded and executed thereby limiting the impact of any successful XSS attempt even if a vulnerability exists in the application code. Regular security assessments including dynamic application testing focused on DOM-based vulnerabilities are also recommended to identify similar issues before they can be exploited by malicious actors targeting Adobe Experience Manager deployments.