Christian Zimpel

This Plugin makes the Thumbnails clickable with any URL you want and open it in a new tab.
There will be new Field called “External URL” on the Product data. Just fill in any URL i.e. Affiliate URLs you want.

Thumbnail Link for Wooc

This Plugin makes the Thumbnails clickable with any URL you want. There is an Extra URL Field within the Product.

cubecolour

A simple and lightweight plugin to indicate external http and https links in posts, pages and custom content by appending a small diagonal arrow icon to the link.
No configuration is required just install and activate.

Indicate External Links

Very reliable has survived many Wp updates and just keeps working.

This plugin just keeps on working

Indicates external links in post, page and custom content.

Thumbnail Link for Wooc vs Indicate External Links