A critical security vulnerability has been identified on one of the most popular and widely used SEO plugins for the WordPress content management system (CMS). Yoast SEO suffers from an exploit which allows hackers to modify the server's database using a method called blind SQL injection. And failure to fix this vulnerability could have disastrous consequences. Yoast SEO features a wide range of tools designed to help webmasters and bloggers optimize their sites, including an XML sitemap generator, RSS enhancements, on-page content analysis, custom titles and meta tags, breadcrumbs, canonic...