CVE-2025-64868 in Experience Manager as a Cloud Service
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 • 09/08/2026
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 scripts into persistent data fields. Unlike reflected XSS attacks that require tricking a user into clicking a specially crafted link, this flaw enables the persistence of malicious code on the server side. When an attacker submits a payload through a vulnerable input field, such as a comment box or profile description within the application interface, the system stores this content without adequate sanitization or encoding. This architectural oversight means that the malicious script becomes part of the stored data associated with specific records or user profiles rather than being transiently passed in the URL parameters.
The operational impact arises when other users subsequently view pages containing these compromised fields. Because the application fails to properly escape special characters before rendering them back into HTML, the browser interprets the injected JavaScript as executable code within the context of the victim's session. This execution occurs under the security privileges of the authenticated user viewing the page, effectively bypassing same-origin policy protections that are designed to isolate content from different sources. The scope change noted in vulnerability reports indicates a significant escalation in risk potential compared to previous iterations or similar flaws, as it broadens the attack surface and increases the likelihood of successful exploitation by requiring only low-level access rather than administrative privileges.
From an industry standard perspective, this flaw aligns with CWE-79, which classifies improper neutralization of input during web page generation known as Cross-site Scripting. The persistence mechanism specifically relates to stored XSS variants where the payload is saved in a database or file system and served later. In terms of adversary tactics, this vulnerability facilitates techniques categorized under ATT&CK ID T1059, which covers Command and Scripting Interpreter execution via browser-based methods. Attackers can leverage this capability to perform session hijacking by stealing authentication cookies, conduct phishing campaigns by injecting fake login forms into legitimate pages, or deface the application interface for reputational damage.
Mitigation strategies must focus on both immediate remediation and long-term defensive coding practices. Administrators should apply vendor-provided security patches immediately to address the specific input validation gaps in Adobe Experience Manager's form processing modules. For environments where patching is delayed, implementing a Web Application Firewall with rules capable of detecting and blocking common XSS payloads can provide an additional layer of defense. Development teams must enforce strict output encoding for all dynamic content rendered in HTML contexts, ensuring that special characters are converted to their corresponding entity equivalents before display. Additionally, adopting Content Security Policy headers can restrict the execution of inline scripts, thereby neutralizing many stored XSS attacks even if they successfully inject code into the database. Regular security audits and static analysis tools should be integrated into the development lifecycle to identify similar input validation weaknesses across other application components.