<!-- Add the related story/sub-task/bug number, like Resolves #123, or remove if NA --> **Related issue:** Resolves https://github.com/fleetdm/confidential/issues/16880 # Checklist for submitter If some of the following don't apply, delete the relevant line. - [x] Changes file added for user-visible changes in `changes/`, `orbit/changes/` or `ee/fleetd-chrome/changes`. See [Changes files](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/guides/committing-changes.md#changes-files) for more information. ## Testing - [x] Added/updated automated tests - [x] QA'd all new/changed functionality manually <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit ## Summary by CodeRabbit * **Bug Fixes** * Secured the Windows MDM Terms of Service endpoint against reflected cross-site scripting. * Strengthened validation for the `redirect_uri` used in Terms of Service rendering, allowing only approved `https` and `ms-appx-web` schemes. * Unsafe, malformed, or non-allowlisted redirect values are now rejected and not displayed. * **Tests** * Added integration and unit coverage to verify unsafe redirects are blocked while valid ones continue to work. <!-- end of auto-generated comment: release notes by coderabbit.ai --> --------- Co-authored-by: Sharon Katz <121527325+sharon-fdm@users.noreply.github.com>