Injecting malware via a fake WordPress plugin has been a common tactic of attackers for some time. This clever method is often used to bypass detection as attackers exploit the fact that plugins are not part of the core files of a WordPress site, making integrity checks more difficult. Attackers often hide the malicious plugin […]
Tag Archives: WordPress Security
WordPress ClickFix Malware Causes Google Warnings and Infected Computers
Since December of last year there has been a new fake Google reCAPTCHA campaign making its way through the WordPress world. Very similar to malware which we wrote about last Summer, the website malware injection attempts to trick unsuspecting victims into executing malicious Powershell commands within Windows OS environments with the end goal of infecting […]
When Spam Hides In Plain Sight
We recently worked on an interesting case where Casino spam was visible in the page source, but couldn’t be located in any of the usual database rows or site files. Sitecheck flagged this as well. Casino and gambling spam is one of the most common types of spam attackers use. They are hoping that victims […]
Hidden Backdoors Uncovered in WordPress Malware Investigation
At Sucuri, we often encounter cases where malware is deeply embedded in websites, hidden in files and scripts that can easily escape detection. In this article, we’ll walk you through a real-life incident where a customer contacted us about unusual behavior on their WordPress website. After a detailed investigation, we uncovered multiple backdoors allowing attackers […]
Vulnerability & Patch Roundup — January 2025
Vulnerability reports and responsible disclosures are essential for website security awareness and education. Automated attacks targeting known software vulnerabilities are one of the leading causes of website compromises. To help educate website owners about potential threats to their environments, we’ve compiled a list of important security updates and vulnerability patches for the WordPress ecosystem this […]
Malware Redirects WordPress Traffic to Harmful Sites
Recently, a customer approached us after noticing their website was redirecting visitors to a suspicious URL. They suspected their site had been compromised and sought assistance in identifying and resolving the issue. This prompted a deeper investigation into the infection and its behavior. What did we see? The website’s redirects were leading to hxxps://cdn1[.]massearchtraffic[.]top/sockets. Continue […]
Japanese Spam on a Cleaned WordPress Site: The Hidden Sitemap Problem
While investigating a compromised WordPress site, we discovered a malware infection causing Japanese spam links to appear in Google search results. Although the site had been cleaned, Google was still crawling and indexing spammy URLs, which impacted the site’s SEO and credibility. Japanese SEO Spam: A Common Threat Japanese SEO spam is a recurring issue […]
Stealthy Credit Card Skimmer Targets WordPress Checkout Pages via Database Injection
Recently, we released an article where a credit card skimmer was targeting checkout pages on a Magento site. Now we’ve come across sophisticated credit card skimmer malware while investigating a compromised WordPress website. This credit card skimmer malware targeting WordPress websites silently injects malicious JavaScript into database entries to steal sensitive payment details. The malware […]
Vulnerability & Patch Roundup — December 2024
Vulnerability reports and responsible disclosures are essential for website security awareness and education. Automated attacks targeting known software vulnerabilities are one of the leading causes of website compromises. To help educate website owners about potential threats to their environments, we’ve compiled a list of important security updates and vulnerability patches for the WordPress ecosystem this […]
Vulnerability & Patch Roundup — November 2024
Vulnerability reports and responsible disclosures are essential for website security awareness and education. Automated attacks targeting known software vulnerabilities are one of the leading causes of website compromises. To help educate website owners about potential threats to their environments, we’ve compiled a list of important security updates and vulnerability patches for the WordPress ecosystem this […]
