CVE-2024-26107 in Experience Manager
Summary
by MITRE • 03/18/2024
Adobe Experience Manager versions 6.5.19 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.
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Analysis
by VulDB Data Team • 04/15/2025
Adobe Experience Manager represents a comprehensive content management platform widely deployed across enterprise environments for digital experience management. The platform serves as a critical component in organizational web infrastructure, handling sensitive user data and providing administrative interfaces for content creation and management. This vulnerability affects versions 6.5.19 and earlier, indicating a significant portion of deployed installations remain at risk. The reflected cross-site scripting flaw emerges from improper input validation within the platform's web application components, specifically in how the system processes and renders user-supplied parameters in HTTP responses. When an attacker crafts malicious URLs containing script payloads and convinces victims to navigate to these pages, the application fails to adequately sanitize input parameters before incorporating them into web responses. This allows malicious JavaScript code to execute within the victim's browser context, effectively bypassing standard security boundaries. The vulnerability operates through the classic reflected XSS attack pattern where malicious input flows from the user agent through the web application to the victim's browser without being stored on the server. This creates a persistent threat vector that can be exploited across multiple user sessions and contexts within the AEM environment. The impact extends beyond simple script execution as it can enable session hijacking, credential theft, and unauthorized administrative actions within the compromised user context. The vulnerability aligns with CWE-79 which categorizes cross-site scripting flaws as one of the most prevalent web application security weaknesses. From an operational perspective, this vulnerability represents a significant risk to enterprise security posture as it requires minimal user interaction for exploitation and can be delivered through various attack vectors including phishing campaigns, compromised websites, or malicious email attachments. The reflected nature of the vulnerability means that attackers do not need to store malicious content on the target system, making detection and prevention more challenging. Organizations utilizing Adobe Experience Manager must consider the potential for data exfiltration, unauthorized access to sensitive content, and compromise of administrative functions through this vulnerability. The attack surface expands when considering that AEM systems often handle user authentication and authorization, making successful exploitation potentially devastating for enterprise security. Security teams should evaluate their existing monitoring capabilities to detect potential exploitation attempts, as reflected XSS attacks typically manifest as suspicious URL patterns in web server logs. The vulnerability demonstrates the critical importance of input validation and output encoding in web application security. Mitigation strategies should include immediate implementation of security patches from Adobe, deployment of web application firewalls to filter malicious payloads, and enhanced monitoring of user access patterns. Organizations should also consider implementing content security policies and regular security assessments of their AEM installations. The attack pattern aligns with ATT&CK technique T1566 which covers social engineering tactics, specifically focusing on the delivery of malicious content through compromised websites or phishing campaigns. Regular security awareness training becomes essential as the vulnerability relies heavily on user interaction for successful exploitation. The remediation process should involve comprehensive testing of patched versions to ensure no regression in functionality while maintaining the security hardening measures. Organizations should also implement automated vulnerability scanning processes to identify similar weaknesses in their broader web application portfolio and maintain updated threat intelligence to detect potential exploitation attempts.