WordPress Security

Read articles related to WordPress security, including the latest WordPress vulnerabilities disclosured in popular plugins and themes. Learn about emerging website malware infections that could impact WordPress, industry reports, and best practices to secure your WordPress websites. If your website has been hacked, check out our guide to clean hacked WordPress sites.

April 14, 2021Ben Martin

WordPress Continues to Fall Victim to Carding Attacks

Unsurprisingly, as WordPress continues to increase in popularity as an e-commerce platform, attackers continue to attempt to steal credit card information from unsuspecting clients. Currently, the WordPress plugin WooCommerce accounts for roughly a quarter of all online stores. Over recent years, attackers whose goal it is to fradulently obtain credit card information have mostly focused on…

March 18, 2021Cesar Anjos

Server Side Data Exfiltration via Telegram API

One of the themes commonly highlighted on this blog includes the many creative methods and techniques attackers employ to steal data from compromised websites. Credit card skimmers, credential and password…

February 25, 2021Luke Leal

SQL Triggers in Website Backdoors

Over the past year, there’s been an increasing trend of WordPress malware using SQL triggers to hide malicious SQL queries within compromised databases. These queries inject an admin level user…

February 9, 2021Marc Kranat

Optimizing Performance and Behavior with WordPress and the Sucuri WAF

Aside from providing significant protection from a wide range of threats, the Sucuri WAF also acts as a CDN due to its caching capabilities and regional PoPs — often performing…

January 7, 2021Luke Leal

Evaluating Cookies to Hide Backdoors

Identifying website backdoors is not always an easy task. Since a backdoors primary function is to conceal itself while providing unauthorized access, they are often developed using a variety of…

December 29, 2020Mohit Jawanjal

SEO Spam Links in Nulled Plugins

It’s not unusual to see website owners running things on a budget. Choosing a safe and reliable hosting company, buying a nice domain name, boosting posts on social media, and…

December 17, 2020Krasimir Konov

The Dangers of Using Abandoned Plugins & Themes

It’s not very often that we see abandoned components being used on a website — but when we do, it’s most often because the website was exhibiting malware-like behavior and…

December 8, 2020Douglas Santos

Fake WordPress Functions Conceal assert() Backdoor

A few weeks ago, I was manually inspecting some files on a compromised website. While checking on a specific WooCommerce file, I noticed something interesting. Among 246 other lines, this…

November 26, 2020Luke Leal

Hackers Love Expired Domains

Sometimes, website owners no longer want to own a domain name and they allow it to expire without attempting to renew it. This happens all the time and is totally…

November 23, 2020Luke Leal

Hidden SEO Spam Link Injections on WordPress Sites

Often when a website is injected with SEO spam, the owner is completely unaware of the issue until they begin to receive warnings from search engines or blacklists. This is…

November 9, 2020Luke Leal

Code Comments Reveal SCP-173 Malware

We sometimes find malware code injections that contain strange code comments, which are normally used by programmers to annotate a section of code — for example, a short description of…