I am so glad I quit using Drupal years ago (due to its recurring security issues, coincidentally) and "banned" it in our organization.
(Yes, I realize these issues are in third-party/contributed modules.)
(Yes, I realize these issues are in third-party/contributed modules.)
You can update both core and modules (similar to plugins for WordPress) using the web interface, which is included with core, or use a command-line utilities like Drush for Drupal 7, or Composer in Drupal 8.
There's lots of very valid reasons to be critical of Drupal, but:
> Drupal is exceptionally bad at this.
I don't think that's accurate.