CVE-2026-48255 in Experience Manager
Summary
by MITRE • 07/14/2026
Adobe Experience Manager is affected by a DOM-based Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this issue by manipulating the DOM environment to execute malicious JavaScript within the context of the victim's browser. Exploitation of this issue requires user interaction in that a victim must visit a crafted webpage. Scope is changed.
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Analysis
by VulDB Data Team • 07/15/2026
Adobe Experience Manager suffers from a dom-based cross-site scripting vulnerability that represents a critical security flaw in the platform's web application architecture. This vulnerability falls under the common weakness enumeration category CWE-79 which specifically addresses improper neutralization of input during web page generation, making it particularly dangerous as it allows attackers to inject malicious scripts directly into the document object model environment. The flaw manifests when the application fails to properly sanitize user-supplied input that gets processed within the client-side javascript context, creating an opening for malicious code execution.
The technical exploitation of this vulnerability requires an attacker to craft a malicious webpage that manipulates the dom environment in such a way that victim browsers execute unintended javascript code within the trusted context of the Adobe Experience Manager application. This type of attack operates at the client-side level where the vulnerability exists in how the application handles and processes dynamic content rather than server-side input validation. The attack vector specifically requires user interaction, meaning victims must actively visit the crafted malicious webpage for the exploit to succeed, which makes this a user-initiated rather than automated attack.
The operational impact of this vulnerability extends beyond simple script execution as it allows attackers to potentially steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious sites, or even escalate privileges within the application. The scope change mentioned in the description indicates that while the vulnerability is present in the application itself, its exploitation may affect broader system components depending on how the application handles user sessions and access controls. This could potentially enable attackers to gain elevated privileges or access sensitive data through session hijacking techniques.
Security professionals should implement multiple layers of defense including input validation at both client and server levels, content security policies to prevent unauthorized script execution, and regular security assessments of web application components. The vulnerability aligns with ATT&CK technique T1059.007 which covers scripting languages and T1531 which addresses credential access through session manipulation. Organizations should also consider implementing web application firewalls and regularly updating Adobe Experience Manager installations to mitigate the risk of exploitation while maintaining proper security monitoring for suspicious activities that might indicate attempted exploitation of this vulnerability.