CVE-2021-21320

CVE-2021-21320 affects the matrix-react-sdk (Matrix React SDK) before version 3.15.0, where the user content sandbox could be abused to trigger opening unexpected documents. The issue involves a blob-origin handling scenario that, per sources, cannot access Matrix user data, so messages and secre...

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...