CVE-2024-26090 in Experience Manager
Summary
by MITRE • 06/13/2024
Adobe Experience Manager versions 6.5.20 and earlier Answer: are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability. This vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser session. Exploitation of this issue requires user interaction, such as convincing a victim to click on a specially crafted link.
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Analysis
by VulDB Data Team • 03/23/2025
Adobe Experience Manager versions 6.5.20 and earlier contain a DOM-based cross-site scripting vulnerability that represents a significant security risk to organizations relying on this content management platform. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically manifesting as a DOM-based XSS flaw that enables attackers to inject malicious JavaScript code into victim browsers. The vulnerability exists within the application's handling of user-supplied input within the Document Object Model, creating an execution environment where attacker-controlled scripts can run with the privileges of the victim's browser session.
The exploitation of this vulnerability requires social engineering techniques to persuade users to interact with maliciously crafted links, making it particularly dangerous in environments where users frequently click on external links or engage with web content. When victims click on these specially crafted links, the malicious JavaScript code executes within their browser context, potentially allowing attackers to steal session cookies, perform actions on behalf of users, or redirect them to malicious sites. The DOM-based nature of this vulnerability means that the attack vector operates entirely within the client-side environment without requiring server-side processing, making it more difficult to detect through traditional network monitoring approaches.
Organizations utilizing Adobe Experience Manager 6.5.20 and earlier versions face substantial operational risks from this vulnerability, as it can lead to unauthorized access to sensitive content, data exfiltration, and potential compromise of user sessions. The attack requires minimal technical sophistication from threat actors, relying primarily on user interaction rather than complex exploitation techniques. This makes the vulnerability particularly concerning in enterprise environments where users may not be adequately trained to recognize malicious links or where the platform serves as a central hub for content delivery and user interaction. The impact extends beyond simple script execution to potentially enable privilege escalation and persistent access to the affected systems.
Security mitigations for this vulnerability should prioritize immediate patching of Adobe Experience Manager installations to versions that address the DOM-based XSS flaw. Organizations should implement comprehensive input validation and output encoding mechanisms to prevent malicious scripts from being executed within the browser environment. Network security controls including web application firewalls and content filtering solutions should be configured to detect and block suspicious patterns associated with XSS attacks. Additionally, user education programs should emphasize the importance of verifying links before clicking and recognizing potential social engineering attempts. The vulnerability aligns with ATT&CK technique T1566.001 for initial access through spearphishing attachments or links, making layered defensive strategies essential for comprehensive protection. Regular security assessments and penetration testing should be conducted to verify that the implemented mitigations effectively prevent exploitation of this and similar vulnerabilities.