CVE-2026-48307 is a reflected Cross-Site Scripting (XSS) vulnerability in Adobe ColdFusion affecting versions 2023.20, 2025.9, and earlier. The vulnerability enables attackers to inject malicious scripts into web pages viewed by users, which can result in arbitrary code execution within the user's browser context. Exploitation requires user interaction via a malicious link. The CVSS 3.1 base score is 8.8, indicating high severity with attack vector as adjacent network, low attack complexity, no privileges required, user interaction required, changed scope, and high impact on confidentiality, integrity, and availability. No official patch or remediation level is provided in the available data.

Successful exploitation could allow attackers to execute arbitrary scripts in the context of the affected user's browser session, potentially leading to theft of sensitive information, session hijacking, or other malicious actions impacting confidentiality, integrity, and availability. The attack requires user interaction, limiting automatic exploitation. No known exploits in the wild have been reported.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is indicated, users should monitor Adobe's advisories for updates. Until a patch is available, avoid clicking on suspicious links and consider implementing web application firewall rules to detect and block reflected XSS attempts targeting ColdFusion applications.