CVE-2024-26051 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 versions 6.5.19 and earlier contain a critical stored cross-site scripting vulnerability that represents a significant threat to web application security. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically manifesting as a stored XSS flaw that allows attackers to inject malicious JavaScript code into form fields within the AEM interface. The vulnerability exists due to insufficient input validation and output encoding mechanisms within the content management system's form processing components, creating an attack vector where persistent malicious scripts can be embedded and executed against unsuspecting users.
The technical exploitation of this vulnerability occurs when an attacker submits malicious JavaScript code through vulnerable form fields within the Adobe Experience Manager interface. This malicious input is then stored within the application's database or content repository, making it persistent across user sessions. When legitimate users navigate to pages containing these vulnerable form fields, their browsers execute the stored JavaScript code, potentially leading to session hijacking, credential theft, or redirection to malicious websites. The attack requires minimal privileges since it targets the form submission functionality that typically accepts user input without proper sanitization.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable sophisticated attack chains that align with multiple ATT&CK tactics including initial access through web application exploitation and privilege escalation via session manipulation. Attackers can leverage this vulnerability to establish persistent access to victim environments, potentially compromising the entire Adobe Experience Manager instance and any associated content management workflows. The vulnerability affects organizations using legacy AEM versions, particularly those that have not implemented proper security patches or updates, creating a substantial risk for enterprises relying on these systems for content management and digital experience delivery.
Organizations should immediately implement comprehensive mitigation strategies including applying the latest security patches from Adobe, implementing strict input validation and output encoding mechanisms, and conducting thorough security assessments of all form-based interfaces within their AEM environments. Additional protective measures include implementing content security policies, regular security scanning of web applications, and establishing robust monitoring systems to detect anomalous script execution patterns. The vulnerability demonstrates the critical importance of maintaining up-to-date security practices and the potential consequences of running unsupported software versions in enterprise environments.