Updates on WordPress security, Wordfence and what we're cooking in the lab today.

Category Archive: WordPress Security

Wordfence Blog

Analyzing a Week of Blocked Attacks

This entry was posted in Wordfence, WordPress Security on January 22, 2019 by Dan Moen   13 Replies

If you’ve never taken a few minutes to look at the information available in the Wordfence Live Traffic feature, I strongly recommend it. It gives you a detailed look at what attackers are trying to do to break into your site, and how Wordfence is blocking them. For today’s post we analyzed all of the …
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A Tale of Two Vulnerabilities: Using Commercial Plugins Responsibly

This entry was posted in Vulnerabilities, WordPress Security on January 18, 2019 by Mikey Veenstra   10 Replies

As the most popular CMS on the market, one of the major draws of WordPress is a rich ecosystem of plugins made available by the community. The WordPress.org plugin repository makes the process of installing and updating plugins a seamless experience in the dashboard of a site, and a team of volunteers works to maintain …
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WordPress 5.0.1 Security Release – Immediate Update Recommended

This entry was posted in WordPress Security on December 13, 2018 by Dan Moen   12 Replies

WordPress 5.0.1 was released Wednesday night, less than a week after the much anticipated release of WordPress 5.0. This security release fixes seven security vulnerabilities, a few of which are quite serious. Sites running versions in the 4.x branch of WordPress core are also impacted by some of the issues. WordPress 4.9.9 was released along …
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How We Think About WordPress Security and Research

This entry was posted in General Security, Wordfence, WordPress Security on December 10, 2018 by Mark Maunder   3 Replies

This weekend I had a really fun conversation with Doc Pop from Torque Magazine. Torque is a great news source for WordPress news. They are part of WP Engine, but maintain editorial independence. I chatted with Doc in Nashville, in the Music City Center where WordCamp US was being held. Music City Center is an …
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Botnet of Infected WordPress Sites Attacking WordPress Sites

This entry was posted in Research, Wordfence, WordPress Security on December 05, 2018 by Mikey Veenstra   17 Replies

The Defiant Threat Intelligence team recently began tracking the behavior of an organized brute force attack campaign against WordPress sites. This campaign has created a botnet of infected WordPress websites to perform its attacks, which attempt XML-RPC authentication to other WordPress sites in order to access privileged accounts. Between Wordfence’s brute force protection and the premium real-time …
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XSS Injection Campaign Exploits WordPress AMP Plugin

This entry was posted in Research, Vulnerabilities, WordPress Security on November 20, 2018 by Mikey Veenstra   19 Replies

News broke last week disclosing a number of vulnerabilities in the AMP For WP plugin, installed on over 100,000 WordPress sites. WordPress contributor Sybre Waaijer identified the security issue and confidentially disclosed it to the WordPress plugins team. To exploit the flaw, an attacker needs to have a minimum of subscriber-level access on a vulnerable site. The …
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Trends Emerging Following Vulnerability In WP GDPR Compliance Plugin

This entry was posted in Research, Vulnerabilities, WordPress Security on November 09, 2018 by Mikey Veenstra   19 Replies

Earlier this week the WP GDPR Compliance plugin was briefly removed from the WordPress.org repository after the discovery of critical security issues impacting its users. In yesterday’s post, we provided some details regarding these issues and illustrated their severity. In the hours since that post was published, our team has continued tracking the adversaries seeking …
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Privilege Escalation Flaw In WP GDPR Compliance Plugin Exploited In The Wild

This entry was posted in Vulnerabilities, WordPress Security on November 08, 2018 by Mikey Veenstra   23 Replies

After its removal from the WordPress plugin repository yesterday, the popular plugin WP GDPR Compliance released version 1.4.3, an update which patched multiple critical vulnerabilities. At the time of this writing, the plugin has been reinstated in the WordPress repository and has over 100,000 active installs. The reported vulnerabilities allow unauthenticated attackers to achieve privilege escalation, …
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Using PHP 5 Becomes Dangerous in 2 Months

This entry was posted in General Security, WordPress Security on October 30, 2018 by Mark Maunder   0 Replies

WordPress, Joomla, Drupal and many other popular website CMSs were written in a programming language called PHP. PHP version 5 is about to reach end-of-life and will stop receiving security updates in two months. Many WordPress and other PHP websites remain on version 5.6 or older. Once support for PHP 5 ends in two months, …
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Video: WordCamp Atlanta Security Panel with Wordfence

This entry was posted in Wordfence, WordPress Security on October 18, 2018 by Dan Moen   6 Replies

In April, Wordfence sponsored WordCamp Atlanta and several of our team members attended the event. While there, we held a capture the flag (CTF) contest, which helps WordPress site owners learn to think like a hacker so that they can better defend their websites. Part of hacker culture is the art of lock picking, which …
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