Todoist v8896 is vulnerable to Cross Site Scripting (XSS) in /api/v1/uploads. Uploaded SVG files have no sanitization applied, so embedded JavaScript executes when a user opens the attachment from a task/comment.
Todoist v8484 contains a stored cross-site scripting (XSS) vulnerability in the avatar upload functionality. The application fails to properly validate the MIME type and sanitize image metadata.