The host is installed with GitLab CE/EE 7.14 before 15.11.10, 16.0 before 16.0.6 or 16.1 before 16.1.1 and is prone to a cross site scripting vulnerability. A flaw is present in the application, which fails to properly handle unspecified vectors. Successful exploitation could allow remote attackers to inject HTML in an email address field.