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WordPress

July 17, 2026
Cloudflare WAF protects WordPress applications from two high-severity vulnerabilities

Cloudflare has deployed two WAF rules in response to high-severity vulnerabilities disclosed to us by the WordPress security team. The new rules protect all Cloudflare customers using affected WordPress versions, but customers should still update immediately to a patched release

Daniele Molteni,Ah-young Choi,Georgie Yoxall,Kuber Nandwani, and Vikram Grover

June 22, 2023
Speeding up your (WordPress) website is a few clicks away

In this blog, we will explain where the opportunities exist to improve website performance, how to check if a specific site can improve performance, and provide a small JavaScript snippet which can be used with Cloudflare Workers to do this optimization for you

Alex Krivit and Patrick Meenan

March 19, 2021
Cloudflare and WordPress.com partner to Help Build a Better Internet

Today we’re excited to announce a number of initiatives, starting with the integration of Cloudflare’s privacy-first web analytics into WordPress.com. This integration gives WordPress.com publishers choice in how they collect usage data and derive insights about their visitors.

Steven Pack,Simon Steiner, and Philip Johnson

March 16, 2021
Automatic Platform Optimization post-launch report

We explored almost 200 websites with the activated Automatic Platform Optimization feature in Chrome User Experience Report data. Automatic Platform Optimization consistently demonstrated better aggregate performance among sites we analyzed in TTFB, First Paint, FCP, and LCP metrics.

Yevgen Safronov

October 2, 2020
Building Automatic Platform Optimization for WordPress using Cloudflare Workers

zero-config edge caching and optimizations for improved performance for WordPress. Reduce WordPress plugin burden.

Yevgen Safronov and Sven Sauleau

October 2, 2020
Introducing Automatic Platform Optimization, starting with WordPress

Today, we are announcing a new service to serve more than just the static content of your website with the Automatic Platform Optimization (APO) service. With this launch, we're supporting WordPress.

Garrett Galow

September 5, 2019
Fast WordPress Sites with Bluehost & Cloudflare Workers

WordPress is the most popular CMS (content management system) in the world, powering over a third of the top 10 million websites, according to W3Techs.

Peter Dumanian

December 24, 2018
Improving HTML Time to First Byte

Fixing slow Time To First Byte by edge-caching HTML with Cloudflare Workers and automatically purging the cache when content changes.

Patrick Meenan

September 5, 2018
Welcome, WP Engine!

We’ve had the tremendous pleasure of working with WP Engine for nearly 5 years, starting when both companies employed less than 100 people in total.

Rachele Gyorffy

February 1, 2017
Protecting everyone from WordPress Content Injection

Today a severe vulnerability was announced by the WordPress Security Team that allows unauthenticated users to change content on a site using unpatched (below version 4.7.2) WordPress.

Ben Cartwright-Cox

September 19, 2016
CloudFlare’s new WordPress plugin

Over 25% of all websites use WordPress, and over 10% of all internet traffic flows through CloudFlare; WordPress + CloudFlare has always been a winning combination, and now with CloudFlare’s new WordPress plugin, it's easier than ever to make your site 60% faster.

Rahul Mahajan

October 16, 2015
A Look at the New WordPress Brute Force Amplification Attack

Recently, a new brute force attack method for WordPress instances was identified by Sucuri. This latest technique allows attackers to try a large number of WordPress username and password login combinations in a single HTTP request.

Pasha Kravtsov

April 24, 2015
Of Phishing Attacks and WordPress 0days

Proxying around 5% of the Internet’s requests gives us an interesting vantage point from which to observe malicious behavior. However, it also makes us a target.

Marc Rogers

January 21, 2015
Flexible SSL & Wordpress: Fixing “Mixed Content” Errors

As many are aware, CloudFlare launched Universal SSL several months ago. We saw lots of customers sign up and start using these new, free SSL certificates. For many customers that didn’t already have an SSL certificate, they were able to use “Flexible SSL”.

David Fritsch

October 14, 2014
Automatic protection for common web platforms

If you are a CloudFlare Pro or above customer you enjoy the protection of the CloudFlare WAF. If you use one of the common web platforms, such as WordPress, Drupal, Plone, WHMCS, or Joomla, then it's worth checking if the relevant CloudFlare WAF ruleset is enabled.

John Graham-Cumming

April 10, 2014
Jetpack for WordPress: automatic protection

As we've said before, lots of our users run WordPress on their websites and its popularity makes it a big target. So when a new vulnerability is discovered, acting quickly is prudent.

Simon Moore

March 11, 2014
WordPress Pingback Attacks and our WAF

At CloudFlare a lot of our customers use WordPress, that's why we have our own plugin, we hang out at WordCamp and we wrote a WordPress specific ruleset for our Web Application Firewall.

Simon Moore

April 24, 2013
W3TC and WP Super Cache Vulnerability Discovered, We've Automatically Patched

The team at the research firm Sucuri announced a serious vulnerability to W3TC and WP Super Cache this afternoon. (Update: it appears the vulnerability was first reported on WordPress.org about a month ago.)

Matthew Prince

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