CVE-2026-48251 is a DOM-based Cross-Site Scripting vulnerability in Adobe Experience Manager affecting versions 6.5.24, LTS SP1, 2026.04 and earlier. The vulnerability allows an attacker to execute arbitrary JavaScript by manipulating the DOM environment when a victim visits a maliciously crafted webpage. The scope of the vulnerability is changed, indicating that the impact extends beyond the initially vulnerable component. The CVSS 3.1 base score is 5.4 (medium severity), with network attack vector, low attack complexity, requiring privileges and user interaction, and impacts on confidentiality and integrity but not availability. There is no vendor advisory or patch information available at this time.

Successful exploitation can lead to execution of arbitrary JavaScript in the context of the victim's browser, potentially exposing sensitive information or allowing unauthorized actions within the affected web application. The impact affects confidentiality and integrity but does not affect availability. Exploitation requires user interaction (visiting a crafted webpage) and privileges to some extent.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when interacting with untrusted content and consider implementing web application firewall rules or content security policies to mitigate DOM-based XSS risks.