CVE-2021-21247: Improper Neutralization of Special Elements in Output Used by a Downstream Component

OneDev is an all-in-one devops platform. In OneDev before version 4.0.3, the application's BasePage registers an AJAX event listener AbstractPostAjaxBehavior in all pages other than the login page. This listener decodes and deserializes the data query parameter. We can access this listener by...