Losses with frauds

I had a problem with this plugin in 2022, with thousands of false transactions, they are using the checkout of plugin for credit card tests. After reading the forum here I saw the recommendation to activate Captcha (with “I am not a robot” checkbox) and the fraud transactions were over.
However, now in May 2023, the plugin has again presented this security breach. Even with captcha configured and active, thousands of card tests were performed. The ones that passed suffered contestation and I am now being charged by R$ 220.00 BRL (about US$45) in stripe dispute fees. And now, I’m going to take a loss?