CVE-2021-32622

CVE-2021-32622 affects the Matrix-React-SDK (Matrix-React-SDK) prior to version 3.21.0. The vulnerability arises during file uploads: when a user previews an uploaded file, scripts embedded in the file can execute, but only for the local user and only after several user interactions to open the p...

CVE-2021-32622 File upload local preview can run embedded scripts after user interaction

Matrix-React-SDK is a react-based SDK for inserting a Matrix chat/voip client into a web page. Before version 3.21.0, when uploading a file, the local file preview can lead to execution of scripts embedded in the uploaded file. This can only occur after several user interactions to open the previ...