Why Updating WordPress Is More Than Clicking "Update"

Anpsthemes — Wed, 07 Oct 2026 09:07:24 +0000

A typical WordPress site isn't one piece of software. It's WordPress core, a theme, a page builder like Elementor, WooCommerce, form, SEO, payment and caching plugins, and a handful of smaller plugins. Each one is built by a different company and updated on its own schedule, and an update to one part can affect another.

The longer a site goes without updates, the more parts have to change at once, and the more known security holes stay open in the meantime.

What can actually go wrong

These are the cases we see most often:

The contact form says "sent", but the email never arrives. The site looks normal, so nobody notices for weeks.
The checkout breaks, but product pages don't. A WooCommerce update can expose an outdated payment, shipping or theme integration. Customers find out when they try to pay.
A plugin is too old for the new version. It worked yesterday. After a bigger WordPress or PHP update, it starts throwing errors.
An outdated plugin opens a security hole. Attackers can add malicious code, create hidden admin accounts, send spam or redirect visitors, often without the owner noticing.
A page builder update changes the layout. Spacing, sliders, icons or the mobile layout suddenly look wrong, usually because of a conflict between the builder, the theme and an add-on.
Old code meets a newer PHP version. Hosts retire old PHP versions, and themes or plugins that haven't been maintained for years may not work on the new one.
One small but important feature stops. A mobile menu, a booking button, a map or a search filter. The site is "online", but part of the business is broken.

What a proper update involves

Clicking "Update all" is only the middle step. A proper update looks more like this:

Before: review the setup, check which updates are waiting, spot outdated or unsupported plugins and make sure a backup exists.
Update: update WordPress, plugins and the theme, and fix compatibility problems as they appear.
After: review the important pages and test the things the business depends on: forms, checkout, bookings and the mobile layout.

A company site with five plugins and a WooCommerce shop with 30 plugins and custom code are very different jobs, so the amount of work varies.

"But my website works"

It works today. But the environment around it keeps changing: WordPress, PHP, browsers, payment providers, hosting and third-party services all move on, and new vulnerabilities are found every week. Leaving a site untouched doesn't keep it the same. It just makes the next jump bigger.

Updating after three months is routine. Updating after three years is a project.

Planned updates beat emergency repairs

A planned update happens on your schedule: backup first, problems found before customers see them, time to test. An emergency happens on the problem's schedule: customers are already affected, orders or enquiries are being lost, and after a hack you're also cleaning files, checking accounts, changing passwords and finding the hole that let the attacker in.

No developer can promise a WordPress site will never have a problem. The goal of maintenance is to catch problems before they get expensive.

If you're not sure where your site stands, we offer a free website review.

Originally published on the AnpsThemes blog.

DEV Community: Anpsthemes

Why Updating WordPress Is More Than Clicking "Update"

What can actually go wrong

What a proper update involves

"But my website works"

Planned updates beat emergency repairs