Directory Traversal

Overview CefSharp.Common is a the CefSharp Chromium-based browser component 'Core' and common 'Element' components, needed by both WPF and WinForms. Affected versions of this package are vulnerable to Directory Traversal in FolderSchemeHandlerFactory through the URI-to-file-path resolution in...

CefSharp.Common: `FolderSchemeHandlerFactory` path boundary check can expose files outside the configured root folder

Summary FolderSchemeHandlerFactory was intended to restrict served files to a configured rootFolder, but its path validation used a raw string prefix check. A request could escape to a sibling directory whose full path starts with the root folder path, allowing files outside the configured root t...