The host is installed with GitLab CE/EE 15.9 before 16.0.8, 16.1 before 16.1.3, or 16.2 before 16.2.2 and is prone to a stored XSS vulnerability. A flaw is present in the application, which fails to properly handle a user interaction with a crafted URL in the WebIDE beta. Successful exploitation could allow attackers to trigger a stored XSS vulnerability.