CVE-2024-36154 in Experience Manager
Summary
by MITRE • 06/13/2024
Adobe Experience Manager versions 6.5.20 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an 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.
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Analysis
by VulDB Data Team • 03/23/2025
Adobe Experience Manager represents a comprehensive content management platform widely deployed across enterprise environments for digital experience management. The platform serves as a central hub for creating, managing, and delivering digital content across multiple channels while providing robust authoring capabilities for marketers and content creators. This vulnerability affects versions 6.5.20 and earlier, indicating a significant attack surface across numerous production deployments where organizations rely on AEM for their digital presence management. The stored XSS vulnerability specifically targets form fields within the AEM interface, creating a persistent threat vector that can compromise user sessions and execute unauthorized commands. The vulnerability stems from inadequate input validation and output encoding mechanisms within the form processing components of the platform. When users interact with vulnerable form fields, the malicious JavaScript code injected by attackers persists in the system and executes whenever legitimate users view or interact with the affected content, making this a particularly dangerous threat vector for enterprise environments.
The technical exploitation of this vulnerability involves an attacker crafting malicious payloads that are stored within the AEM form fields, which are then served to unsuspecting users when they access pages containing these vulnerable elements. The stored nature of this XSS vulnerability means that the malicious code remains persistent in the system until manually removed, unlike reflected XSS attacks that require specific user interaction to trigger. This characteristic significantly increases the attack surface and persistence potential of the vulnerability. The vulnerability directly maps to CWE-79 which defines Cross-Site Scripting as a common web application security flaw where untrusted data is embedded into web pages without proper sanitization or encoding. The attack chain typically begins with an attacker gaining access to AEM authoring capabilities or finding a way to inject malicious content into form fields, followed by the execution of JavaScript code in victim browsers. The malicious scripts can perform various actions including stealing session cookies, redirecting users to malicious sites, defacing content, or establishing persistent backdoors within the organization's digital infrastructure.
The operational impact of this vulnerability extends beyond simple script execution to encompass significant risks for enterprise security posture and business continuity. Organizations utilizing AEM for critical digital experiences face potential data breaches, brand reputation damage, and unauthorized access to sensitive content management systems. The vulnerability particularly threatens user sessions and authentication mechanisms since JavaScript execution can capture cookies and credentials, potentially enabling attackers to escalate privileges and gain unauthorized access to additional system resources. In enterprise environments where AEM is used for customer-facing applications, this vulnerability could lead to widespread compromise of user data and business-critical digital assets. The persistent nature of stored XSS allows attackers to maintain access over extended periods, making detection and remediation more challenging. This vulnerability also aligns with ATT&CK technique T1566 which describes social engineering tactics including the use of malicious content to compromise systems. The attack surface includes not only direct exploitation of the AEM platform but also potential lateral movement within the enterprise network through stolen session tokens and credentials.
Organizations should prioritize immediate mitigation strategies including applying the latest security patches provided by Adobe to address the vulnerability in affected AEM installations. The patching process should follow a comprehensive testing approach to ensure compatibility with existing customizations and integrations within the AEM environment. Additional defensive measures include implementing robust input validation and output encoding mechanisms across all form fields and content management components, along with regular security scanning of AEM instances to identify potential injection points. Network segmentation and access control measures should be strengthened to limit potential attack vectors and reduce the impact of successful exploitation attempts. Security monitoring should include detection of suspicious content injection patterns and anomalous user behavior that may indicate exploitation attempts. The implementation of content security policies and proper input sanitization frameworks can provide additional layers of defense against similar vulnerabilities. Organizations should also conduct thorough security assessments of their AEM deployments to identify and remediate other potential XSS vulnerabilities within their digital experience platforms, ensuring comprehensive protection against persistent threat vectors that could compromise their digital infrastructure.