The Booster for WooCommerce plugin for WordPress has a security vulnerability in versions 5.5.9 and below. Attackers can use this vulnerability to inject malicious web scripts, like viruses, into webpages. If someone clicks on the link with the malicious web script, it will execute and put them at risk. To protect yourself, make sure you check for updates and update the plugin to a version higher than 5.5.9.