CVE-2024-36186 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 digital experience platform that powers enterprise web applications and content management systems. The platform serves as a critical component in organizational digital infrastructure, handling sensitive user data and providing administrative interfaces for content creation and management. When vulnerabilities exist within such systems, they can create substantial security risks due to the platform's central role in enterprise operations. The stored cross-site scripting vulnerability in Adobe Experience Manager versions 6.5.20 and earlier demonstrates a fundamental weakness in input validation and output sanitization mechanisms. This particular flaw allows attackers to inject malicious JavaScript code into form fields that are subsequently stored on the server and executed when other users view the affected content. The vulnerability specifically targets the platform's handling of user input within form elements, creating a persistent threat vector that can affect multiple users over time.
The technical implementation of this stored XSS vulnerability stems from inadequate sanitization of user-supplied data before storage and rendering. When administrators or content creators enter data into form fields within the AEM interface, the system fails to properly validate or escape special characters that could be interpreted as executable code. This weakness exists in the platform's content management and rendering pipeline, where input validation occurs too late in the process or not at all for certain field types. The vulnerability is classified as a stored XSS attack because the malicious payload is permanently saved to the application's database or storage system, making it persistent across multiple user sessions. Unlike reflected XSS attacks that require specific user interaction with crafted links, stored XSS can affect any user who accesses the vulnerable page, creating a broader attack surface and increased potential impact. The malicious JavaScript code can perform various malicious activities including cookie theft, session hijacking, redirection to malicious sites, or data exfiltration from the victim's browser.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to gain unauthorized access to user sessions and potentially compromise entire administrative accounts. Attackers can leverage this vulnerability to steal session cookies, allowing them to impersonate legitimate users and access restricted administrative functions within the AEM platform. The persistent nature of stored XSS means that even after initial exploitation, the attack can continue to affect new users who encounter the malicious content, creating a long-term threat vector. Organizations using affected AEM versions face significant risks including unauthorized content modification, data breaches, and potential system compromise. The vulnerability also impacts the platform's integrity and trustworthiness, as users may unknowingly interact with malicious content while performing legitimate business operations. The attack can be particularly dangerous in enterprise environments where AEM is used for sensitive business applications, customer portals, or internal collaboration platforms.
Security mitigations for this vulnerability require immediate action from affected organizations to update to patched versions of Adobe Experience Manager. Adobe has released security updates addressing this specific XSS vulnerability, and organizations must apply these patches as a priority to protect their systems. In addition to patching, organizations should implement comprehensive input validation mechanisms that sanitize all user-supplied data before storage, particularly focusing on form fields and content entry points. Web application firewalls can provide additional protection layers by monitoring and filtering malicious payloads before they reach the application. Regular security testing including automated scanning and manual penetration testing should be conducted to identify similar vulnerabilities in the platform and surrounding systems. Organizations should also implement proper access controls and monitoring to detect unauthorized modifications to content and form fields. The vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws in software applications, and represents a clear violation of secure coding practices that should be enforced through proper development lifecycle security measures. From an ATT&CK framework perspective, this vulnerability maps to techniques involving command and control communications and credential access, as attackers can use the compromised system to establish persistent access and extract sensitive information.