Studio in Open edX Ironwood 2.5 allows CSV injection because an added cohort in Course>Instructor>Cohorts may contain a formula that is exported via the "Course>Data Downloads>Reports>Download profile info" feature.

Studio in Open edX Ironwood 2.5 allows users to upload SVG files via the "Content>File Uploads" screen. These files can contain JavaScript code and thus lead to Stored XSS.

Studio in Open edX Ironwood 2.5, when CodeJail is not used, allows a user to go to the "Create New course>New section>New subsection>New unit>Add new component>Problem button>Advanced tab>Custom Python evaluated code" screen, edit the problem, and execute Python code. This leads to arbitrary code execution.