Secure Hosting WP Blog
Security Updates are Brought to You from Wordfence and Sucuri. Two trusted security plugins for WordPress users.
X-Cart Skimmer with DOM-based Obfuscation
Our lead security analyst Liam Smith recently worked on an infected X-Cart website and found two interesting credit card stealers there — one skimmer located server-side, the other client-side. X-Cart’s e-commerce platform is not nearly as popular as Magento or...
Millions of Attacks Target Tatsu Builder Plugin
The Wordfence Threat Intelligence team has been tracking a large-scale attack against a Remote Code Execution vulnerability in Tatsu Builder, which is tracked by CVE-2021-25094 and was publicly disclosed on March 24, 2022 by an independent security researcher. The...
Massive WordPress JavaScript Injection Campaign Redirects to Ads
Our remediation and research teams regularly find malicious redirects on client sites. These infections automatically redirect site visitors to third-party websites with malicious resources, scam pages, or commercial websites with the intention of generating...
Examining Emerging Backdoors
Next up in our “This didn’t quite make it into the 2021 Threat Report, but is still really cool” series: New backdoors! Backdoors are a crucial component of a website infection. They allow the attackers ongoing access to the compromised environment and provide them a...
Manually Identifying an X-Cart Credit Card Skimmer
During a recent investigation, a new client came to us reporting that their antivirus had detected a suspicious domain loading on their website’s checkout page. We regularly receive reports like these, as this is a telltale indicator of a credit card skimmer...
WooCommerce Credit Card Skimmers Concealed In Fake Images
Our research and remediation teams have noticed an increase in WooCommerce credit card skimmers on client sites over the past few years, as detailed in past blog posts. Due to the increased number of plugins and components facilitating online payments and its ease of...
Hacked Website Threat Report 2021
Our 2021 Website Threat Research Report details our findings and analysis of emerging and ongoing trends and threats in the website security landscape. We’ve put together this analysis to help keep website owners informed and aware of the dangers posed by malicious...
PHP Object Injection Vulnerability in Booking Calendar Plugin
On April 18, 2022, the Wordfence Threat Intelligence team initiated the responsible disclosure process for an Object Injection vulnerability in the Booking Calendar plugin for WordPress, which has over 60,000 installations. We received a response the same day and sent...
Vulnerability Roundup – April 2022
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 on emerging...
Keeping Up With PHP Updates
Staying on top of critical security risks and vulnerabilities is imperative for the safety of your website. Some of the types of threats impacting our client sites include injections, broken authentication, cross site scripting, or even attackers targeting components...
Poodle and Doodle, FUD and the Sucuri WAF
On any given day, Sucuri sees thousands of clients go through the PCI compliance process. The requirements outlined by the Payment Card Industry Data Security Standards (PCI DSS) are mandatory for any website accepting credit card payment, and this process can be very...
Critical RCE Vulnerability in Elementor WordPress Plugin
Security Risk: High Exploitation Level: Easy CVSS Score: 9.9 Vulnerability: Remote code execution (RCE) Patched Version: 3.6.3 On April 12th, an important security update was released for the Elementor plugin patching a critical remote code vulnerability which allows...
Critical Remote Code Execution Vulnerability in Elementor
On March 29, 2022, the Wordfence Threat Intelligence team initiated the disclosure process for a critical vulnerability in the Elementor plugin that allowed any authenticated user to upload arbitrary PHP code. Elementor is one of the most popular WordPress plugins and...
Sucuri WordPress Plugin += Sucuri WAF
Sucuri has always been a dedicated supporter of the WordPress community. Our free plugin was one of our first contributions to WordPress security (before bootstrapping our efforts into our WAF/CDN, Backups, and Malware Remediation services). However, over my many...
The Case for 2FA by Default for WordPress
Administrator panel compromises are one of the most common attacks that everyday WordPress website admins face. We work with thousands of clients who have encountered attacks on their websites and I’ve long ago lost count of the number of times that I’ve told clients...
Critical Authentication Bypass Vulnerability Patched in SiteGround Security Plugin
On March 10, 2022 the Wordfence Threat Intelligence team initiated the responsible disclosure process for a vulnerability we discovered in “SiteGround Security”, a WordPress plugin that is installed on over 400,000 sites. This flaw makes it possible for attackers to...
WordPress Overtakes Magento in Credit Card Skimmers
One of the most important monitoring tools in our security platform is our Sucuri SiteCheck scanner. It’s a free tool to scan your website for known malicious content and malware injections. The usage of SiteCheck also allows us to monitor trends in the website...
WordPress Popunder Malware Redirects to Scam Sites
Over the last year we’ve seen an ongoing malware infection which redirects website visitors to scam sites. So far this year our monitoring has detected over 3,000 websites infected with this injection this year and over 17,000 in total since we first detected it in...
New Wave of AnonymousFox Cron Jobs
Recently our Remediation and Research teams have noticed a new wave of malicious cron jobs associated with the notorious AnonymousFox malware. The cron jobs are purpose-built to reinfect the victim websites and make removal of the infection more cumbersome and...
Reflected XSS in Spam protection, AntiSpam, FireWall by CleanTalk
Update – after this article was published, Denis Shagimuratov of CleanTalk reached out to us on Twitter. It appears that they didn’t receive our disclosure because our contact at the company was no longer the correct recipient for this type of issue. On February 15,...
WordPress News
WordPress 5.5 “Eckstine”
Here it is! Named “Eckstine” in honor of Billy Eckstine, this latest and greatest version of WordPress is available for download or update in your dashboard. Welcome to WordPress 5.5. In WordPress 5.5, your site gets new power in three major areas: speed, search, and...
WordPress 5.5 Release Candidate 2
The second release candidate for WordPress 5.5 is here! WordPress 5.5 is slated for release on August 11, 2020, but we need your help to get there—if you haven’t tried 5.5 yet, now is the time! You can test the WordPress 5.5 release candidate in two ways: Try...
The Month in WordPress: July 2020
July was an action-packed month for the WordPress project. The month saw a lot of updates on one of the most anticipated releases – WordPress 5.5! WordCamp US 2020 was canceled and the WordPress community team started experimenting with different formats for...
WordPress 5.5 Release Candidate
The first release candidate for WordPress 5.5 is now available! This is an important milestone in the community’s progress toward the final release of WordPress 5.5. “Release Candidate” means that the new version is ready for release, but with...
WordPress 5.5 Beta 4
WordPress 5.5 Beta 4 is now available! This software is still in development, so it’s not recommended to run this version on a production site. Consider setting up a test site to play with the new version. You can test WordPress 5.5 Beta 4 in two ways: Try the...