CVE-2024-26067 in Experience Manager
Summary
by MITRE • 03/18/2024
Adobe Experience Manager versions 6.5.19 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 • 04/15/2025
Adobe Experience Manager represents a comprehensive digital experience platform that enables organizations to create, manage, and deliver digital content across multiple channels. The platform serves as a critical component in enterprise digital strategies, handling sensitive user data through various form interactions and content management functions. When vulnerabilities exist within such systems, they pose significant risks to both organizational security and user privacy. The stored cross-site scripting vulnerability in Adobe Experience Manager versions 6.5.19 and earlier demonstrates a fundamental weakness in input validation and output encoding mechanisms that directly impacts the platform's ability to protect against malicious code injection attacks. This particular flaw occurs when user-supplied data is stored in the system and subsequently rendered without proper sanitization, creating an environment where attackers can persist malicious scripts within form fields.
The technical nature of this vulnerability stems from inadequate sanitization of user inputs within the form processing components of Adobe Experience Manager. When users submit data through forms, the system fails to properly validate or encode the input before storing it in the database or content repository. This stored data is then retrieved and displayed on subsequent pages without appropriate security measures to prevent script execution. The vulnerability specifically affects form fields where user input is persisted and later rendered in web pages, creating a scenario where any JavaScript code entered by an attacker becomes executable within the context of a victim's browser session. This type of stored XSS vulnerability is particularly dangerous because it can affect multiple users who view the malicious content rather than requiring individual exploitation for each victim. The flaw aligns with CWE-79 which specifically addresses cross-site scripting vulnerabilities, and represents a classic case of insufficient input validation and output encoding that enables malicious code persistence.
The operational impact of this vulnerability extends beyond simple script execution to encompass broader security implications for organizations relying on Adobe Experience Manager. Attackers could potentially steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious sites, or extract sensitive information from user sessions. The persistent nature of stored XSS means that even after the initial attack, the malicious code continues to execute for all users who encounter the compromised content, potentially allowing attackers to maintain long-term access to affected systems. This vulnerability particularly impacts organizations that use Adobe Experience Manager for customer data collection, user registration, or content management where form submissions contain sensitive information. The attack vector requires minimal technical expertise to exploit, making it attractive to threat actors seeking to compromise large numbers of users through automated or semi-automated means. Organizations may experience reputational damage, regulatory compliance issues, and potential legal consequences from data breaches resulting from such vulnerabilities.
Mitigation strategies for this vulnerability should prioritize immediate patching of affected Adobe Experience Manager instances to the latest available security releases. Organizations must implement comprehensive input validation mechanisms that sanitize all user-supplied data before storage, ensuring that any potentially malicious content is removed or encoded appropriately. Output encoding should be enforced at all points where stored data is rendered in web interfaces, preventing script execution regardless of the input content. Security teams should conduct thorough assessments of all form fields within Adobe Experience Manager to identify potential attack vectors and implement proper content security policies. Regular security testing including automated scanning and manual penetration testing can help identify similar vulnerabilities in other components of the digital experience platform. Additionally, implementing web application firewalls and security monitoring systems can provide additional layers of protection against exploitation attempts. Organizations should also establish proper incident response procedures to quickly detect and respond to potential exploitation attempts, ensuring that any compromised systems can be isolated and remediated promptly. The vulnerability underscores the importance of maintaining up-to-date security practices and regular vulnerability assessments in enterprise content management systems.