featured-image-by-url

This plugin allows to use an external URL Images as Featured Image for your post, page & custom post types like WooCommerce Product. Includes support for Product Gallery (WooCommerce). Maintained by iamdharmesh on GitHub, where it has earned 37 stars from the community.

It's actively developed around featured-image, hacktoberfest, image, and is a solid reference for anyone building with these tools.