Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Stiofan BlockStrap Page Builder - Bootstrap Blocks blockstrap-page-builder-blocks allows Reflected XSS.This issue affects BlockStrap Page Builder - Bootstrap Blocks: from n/a through 0.1.58.
Update the WordPress BlockStrap Page Builder - Bootstrap Blocks plugin to the latest available version (at least 0.1.59).