An Outdated WordPress
Team WordPress updates core files daily. Such fixes can be found in self-installed files, which address known problems and generally improve the security of WordPress websites.
The maintenance of the CMS on the site is a key part of how the website is run. The proprietor of the site should use the patch preferably within hours of release because hackers are always in a position to prowl vulnerable websites.
This is also valid for the plugins and topics mounted. Module developers are following the WordPress Core Files ' update cycle to ensure the module stays in line with the newer versions of WordPress. Do not use a live page patch. Test patches in a placement environment for WordPress always to ensure that everything remains as intended.