Display a front-end password reset form anywhere on your site with a simple shortcode.
WORDPRESS CUSTOM PASSWORD RESET FORM SHORTCODE
Use the following shortcode to place a ProfilePress powered front-end password reset form anywhere on your WordPress website such as a page, post, custom post type and sidebar widgets.
Where 6 is the ID of the password reset form to be displayed.
More password reset themes can be found here
Every password reset comes with a handler form which handles the actual changing of password.