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

Category Archive: Research

Wordfence Blog

Critical Vulnerability Patched in External Media Plugin

This entry was posted in Research, Vulnerabilities, WordPress Security on May 13, 2021 by Chloe Chamberland   1 Reply

On February 2, 2021, our Threat Intelligence team responsibly disclosed the details of a vulnerability in External Media, a WordPress plugin used by over 8,000 sites. This flaw made it possible for authenticated users, such as subscribers, to upload arbitrary files on any site running the plugin. This vulnerability could be used to achieve remote …
Read More

SQL Injection Vulnerability Patched in CleanTalk AntiSpam Plugin

This entry was posted in Research, Vulnerabilities, WordPress Security on May 03, 2021 by Ram Gall   0 Replies

On March 4, 2021, the Wordfence Threat Intelligence team initiated responsible disclosure for a Time-Based Blind SQL Injection vulnerability discovered in Spam protection, AntiSpam, FireWall by CleanTalk, a WordPress plugin installed on over 100,000 sites. This vulnerability could be used to extract sensitive information from a site’s database, including user emails and password hashes, all …
Read More

Severe Unpatched Vulnerabilities Leads to Closure of Store Locator Plus Plugin

This entry was posted in Research, Vulnerabilities, WordPress Security on April 26, 2021 by Chloe Chamberland   2 Replies

On March 5, 2021, the Wordfence Threat Intelligence team wrapped up an investigation that led to the discovery of a privilege escalation vulnerability along with several additional vulnerabilities in Store Locator Plus, a WordPress plugin installed on over 9,000 sites. We initially reached out to the plugin’s developer on March 5, 2021. We received no …
Read More

PSA: Remove Kaswara Modern WPBakery Page Builder Addons Plugin Immediately

This entry was posted in Research, Vulnerabilities, WordPress Security on April 21, 2021 by Chloe Chamberland   13 Replies

Today, April 21, 2021, the Wordfence Threat Intelligence team became aware of a critical 0-day vulnerability that is being actively exploited in Kaswara Modern WPBakery Page Builder Addons, a premium plugin that we estimate has over 10,000 installations. This vulnerability was reported this morning to WPScan by “Robin Goodfellow.” The exploited flaw makes it possible …
Read More

Severe Vulnerabilities Patched in Redirection for Contact Form 7 Plugin

This entry was posted in Research, Vulnerabilities, WordPress Security on April 20, 2021 by Chloe Chamberland   6 Replies

On February 11, 2021, our Threat Intelligence team responsibly disclosed several vulnerabilities in Redirection for Contact Form 7, a WordPress plugin used by over 200,000 sites. One of these flaws made it possible for unauthenticated attackers to generate arbitrary nonces for any function. The second flaw made it possible for authenticated attackers to install arbitrary …
Read More

Widespread Attacks Continue Targeting Vulnerabilities in The Plus Addons for Elementor Pro

This entry was posted in Research, Vulnerabilities, WordPress Security on April 19, 2021 by Ram Gall   6 Replies

Over the past 10 days, Wordfence has blocked over 14 million attacks targeting Privilege Escalation Vulnerabilities in The Plus Addons for Elementor Pro on over 75% of sites reporting attacks during this period. By April 13, 2021, this campaign was targeting more sites than all other campaigns put together. Number of sites attacked per day …
Read More

Recent Patches Rock the Elementor Ecosystem

This entry was posted in Research, Vulnerabilities, WordPress Security on April 13, 2021 by Ram Gall   6 Replies

This post has been updated with additional plugins that have been patched since its original publication. We will continue to add plugins as they are patched. Over the last few weeks, the Wordfence Threat Intelligence team has responsibly disclosed vulnerabilities in more than 15 of the most popular addon plugins for Elementor, which are collectively …
Read More

Vulnerabilities Patched in WP Page Builder

This entry was posted in Research, Vulnerabilities, WordPress Security on April 08, 2021 by Ram Gall   0 Replies

On February 15, 2021, the Wordfence Threat Intelligence team began the responsible disclosure process for several vulnerabilities in WP Page Builder, a plugin installed on over 10,000 sites. These vulnerabilities allowed any logged-in user, including subscribers, to access the page builder’s editor and make changes to existing posts on the site by default. Additionally, any …
Read More

PHP Compromised: What WordPress Users Need to Know

This entry was posted in General Security, Research, WordPress Security on March 29, 2021 by Chloe Chamberland   16 Replies

Late Sunday night, on March 28, 2021, Nikita Popov, a core PHP committer, released a statement indicating that two malicious commits had been pushed to the php-src git repository. These commits were pushed to create a backdoor that would have effectively allowed attackers to achieve remote code execution through PHP and an HTTP header. Remote …
Read More

Two Vulnerabilities Patched in Facebook for WordPress Plugin

This entry was posted in Research, Vulnerabilities, WordPress Security on March 25, 2021 by Chloe Chamberland   2 Replies

On December 22, 2020, our Threat Intelligence team responsibly disclosed a vulnerability in Facebook for WordPress, formerly known as Official Facebook Pixel, a WordPress plugin installed on over 500,000 sites. This flaw made it possible for unauthenticated attackers with access to a site’s secret salts and keys to achieve remote code execution through a deserialization …
Read More

Follow Us

      


Protect your websites with the #1 WordPress Security Plugin

Get Premium
Over 150 million downloads

Wordfence Newsletter

Get WordPress Security Alerts and Product Updates