Tag Archives: WordPress Security

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 […]

Malicious Script Injection on WordPress Sites

Recently, our team discovered a JavaScript-based malware affecting WordPress sites, primarily targeting those using the Hello Elementor theme. This type of malware is commonly embedded within legitimate-looking website files to load scripts from an external source. The malware injects a malicious external script into the theme’s header.php file, leading to harmful consequences for site owners […]

Simple Include Statement Hides Casino Spam

Just as there are countless types of websites on the internet, there are just as many attackers seeking to exploit them. These attackers develop malicious code that continuously evolves, constantly finding new ways to harm their next target. Sometimes, threat actors rely on heavy obfuscation to conceal their malicious code, while others use stealthier methods […]