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…
Sucuri
Hidden Malware Strikes Again: Mu-Plugins Under Attack
At Sucuri, our security researchers continually monitor for new malware variants and infection techniques targeting WordPress websites. Recently, we’ ve uncovered multiple cases where threat actors are leveraging the mu-plugins directory to hide malicious code. This approach represents a concerning trend, as the mu-plugins (Must-Use plugins) are not listed…
Quick Guide to Magento Security Patches
Magento remains a popular ecommerce platform in 2025 and its security patches play a vital role in addressing vulnerabilities that could otherwise be exploited by attackers. These patches help prevent issues like data breaches, website defacement, or unauthorized access, ensuring the safety of customer data and store operations….
Fake Cloudflare Verification Results in LummaStealer Trojan Infections
Today’ s blog post will be a follow up to a previous article we posted a few weeks ago: We continue to see new variants of this malware campaign emerge. WordPress websites continue to be used as staging grounds to trick website visitors into running malicious powershell commands on…
Credit Card Skimmer and Backdoor on WordPress E-commerce Site
The battle against e-commerce malware continues to intensify, with attackers deploying increasingly sophisticated tactics. In a recent case at Sucuri, a customer reported suspicious files and unexpected behavior on their WordPress site. Upon deeper analysis, we discovered a complicated infection involving multiple components: a credit card skimmer, a…
Cascading Redirects: Unmasking a Multi-Site JavaScript Malware Campaign
During a recent website security investigation, we uncovered a malicious JavaScript injection affecting a WordPress website. The infection was responsible for redirecting visitors to unwanted third-party domains, ultimately harming the site’ s reputation and potentially exposing users to further malicious activity. What was discovered? A customer reached out to…
Vulnerability & Patch Roundup — February 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…