Because with every WordPress update, developers fix the known vulnerabilities. If you regularly update your WordPress site, then you may not need to hide or remove your WordPress version. That’s why we always recommend keeping your WordPress site updated. Now, if your site is one of them, then your site can get hacked easily. In a study, there are over 33% of WordPress sites are outdated and vulnerable to hacks. If you are not updating your WordPress site to the latest version, then hackers try to find the known vulnerabilities in your site to hack your site. Using this method, any advance user can figure out how many sites are powered by WordPress and which WordPress version you are running. This meta tag is used for tracking purpose and it also shows which WordPress version you are using. By default, WordPress automatically adds a meta tag which displays the WordPress version number.