The host is installed with GitLab CE/EE before 16.8.5, 16.9.0 before 16.9.3 or 16.10.0 before 16.10.1 and is prone to a cross-site scripting vulnerability. A flaw is present in the application, which fails to properly handle issues in validation of input During web page generation. On successful exploitation, A wiki page with a crafted payload may lead to a stored XSS, allowing attackers to perform arbitrary actions on behalf of victims.