CVE-2024-26096 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 central hub for content management, personalization, and digital asset handling, making it a critical component in enterprise digital infrastructure. When vulnerabilities exist within such foundational systems, the potential impact extends far beyond simple web application flaws, affecting entire organizational digital ecosystems and user trust frameworks.
The stored cross-site scripting vulnerability in Adobe Experience Manager versions 6.5.19 and earlier stems from insufficient input validation and output encoding mechanisms within the platform's form processing capabilities. This flaw specifically affects how the system handles user-submitted data in form fields, failing to properly sanitize or escape potentially malicious script content before storing and rendering it within the application interface. The vulnerability manifests when attackers can inject malicious JavaScript code into form fields that are subsequently stored in the system's database and displayed to other users who access the affected pages. This type of vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically classified as a stored XSS variant where the malicious payload persists in the application's data store rather than being executed immediately through a single request.
The operational impact of this vulnerability extends beyond simple script execution, as it creates a persistent attack vector that can compromise user sessions and potentially enable further exploitation. An attacker leveraging this vulnerability could inject scripts that steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users within the AEM environment. The stored nature of the vulnerability means that the malicious code remains active until manually removed from the system, creating a long-term threat that can affect multiple users over extended periods. This vulnerability aligns with ATT&CK technique T1531 for Establishing Persistence and T1566 for Phishing, as it enables attackers to maintain access and deliver malicious payloads to unsuspecting users.
Organizations utilizing Adobe Experience Manager must implement immediate mitigations to protect their digital environments from exploitation of this vulnerability. The most effective approach involves applying the vendor-provided security patches and updates released for this specific vulnerability, which typically include enhanced input validation and output encoding mechanisms. Additionally, implementing Content Security Policy headers can provide an additional layer of protection by restricting the sources from which scripts can be executed within the browser environment. Security teams should also conduct comprehensive audits of all form fields and user input mechanisms within their AEM implementations to identify and remediate similar vulnerabilities that may exist in custom components or third-party integrations. Network monitoring solutions should be configured to detect suspicious patterns in form submissions that might indicate exploitation attempts, while user education programs should emphasize the importance of not submitting untrusted content to any system that may store and render such data to other users.