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

Wordfence Blog

Newsletter Plugin Vulnerabilities Affect Over 300,000 Sites

This entry was posted in Research, Vulnerabilities, WordPress Security on August 03, 2020 by Ram Gall   2 Replies

On July 13, 2020, our Threat Intelligence team was alerted to a recently patched vulnerability in Newsletter, a WordPress plugin with over 300,000 installations. While investigating this vulnerability, we discovered two additional, more serious vulnerabilities, including a reflected Cross-Site Scripting(XSS) vulnerability and a PHP Object Injection vulnerability. We reached out to the plugin’s author on …
Read More

Episode 80: Critical File Upload Vulnerability in wpDiscuz Plugin

This entry was posted in Podcasts on July 30, 2020 by Scott Miller   0 Replies

In this week’s news, our Threat Intelligence team discovered a vulnerability in the wpDiscuz plugin, affecting over 80,000 WordPress sites. A blind SQL injection attack affected analytics service Waydev, exposing OAuth tokens for GitHub repositories for software companies, leading to further breaches. A debate about problematic admin notices on the WordPress admin dashboard has many …
Read More

Critical Arbitrary File Upload Vulnerability Patched in wpDiscuz Plugin

This entry was posted in General Security, Vulnerabilities, WordPress Security on July 28, 2020 by Chloe Chamberland   3 Replies

On June 19th, our Threat Intelligence team discovered a vulnerability present in Comments – wpDiscuz, a WordPress plugin installed on over 80,000 sites. This flaw gave unauthenticated attackers the ability to upload arbitrary files, including PHP files, and achieve remote code execution on a vulnerable site’s server. We initially reached out to the plugin’s developer …
Read More

High Severity Vulnerability Patched in TC Custom JavaScript

This entry was posted in Research, Vulnerabilities, WordPress Security on July 21, 2020 by Ram Gall   0 Replies

On June 12, 2020, Wordfence Threat Intelligence discovered an unauthenticated stored Cross-Site Scripting(XSS) vulnerability in TC Custom JavaScript, a WordPress plugin with over 10,000 installations. Wordfence Premium customers received a new firewall rule to provide protection against attacks targeting this vulnerability the same day. Wordfence users still using the free version received this rule after …
Read More

Episode 79: High Profile Twitter Accounts Compromised in Coordinated Attack

This entry was posted in Podcasts on July 17, 2020 by Kathy Zant   0 Replies

A number of high profile Twitter accounts including those of Elon Musk, Apple, Uber, Bill Gates, Joe Biden and others were compromised as a part of a coordinated bitcoin scam attack. The attack lasted a few hours and netted the attackers about $100,000 worth of bitcoin. We talk about how this attack could have possibly …
Read More

2 Million Users Affected by Vulnerability in All in One SEO Pack

This entry was posted in Research, Vulnerabilities, WordPress Security on July 16, 2020 by Chloe Chamberland   9 Replies

On July 10, 2020, our Threat Intelligence team discovered a vulnerability in All In One SEO Pack, a WordPress plugin installed on over 2 million sites. This flaw allowed authenticated users with contributor level access or above the ability to inject malicious scripts that would be executed if a victim accessed the wp-admin panel’s ‘all …
Read More

XSS Flaw Impacting 100,000 Sites Patched in KingComposer

This entry was posted in Research, Vulnerabilities, WordPress Security on July 09, 2020 by Ram Gall   2 Replies

On June 15, 2020, our Threat Intelligence team was made aware of a number of access control vulnerabilities that had recently been disclosed in KingComposer, a WordPress plugin installed on over 100,000 sites. During our investigation of these vulnerabilities, we discovered an unpatched reflected Cross-Site Scripting(XSS) vulnerability. Wordfence Premium customers received a new firewall rule …
Read More

Critical Vulnerabilities Patched in Adning Advertising Plugin

This entry was posted in Research, Vulnerabilities, WordPress Security on July 08, 2020 by Ram Gall   4 Replies

On June 24, 2020, our Threat Intelligence team was made aware of a possible vulnerability in the Adning Advertising plugin, a premium plugin with over 8,000 customers. We eventually discovered 2 vulnerabilities, one of which was a critical vulnerability that allowed an unauthenticated attacker to upload arbitrary files, leading to Remote Code Execution(RCE), which could …
Read More

Malware Detection: Measuring Recall to Catch Them All

This entry was posted in General Security, Wordfence, WordPress Security on June 24, 2020 by Ram Gall   2 Replies

At Wordfence, we take performance seriously on all levels. While speed is one way to measure performance, there are other metrics that are equally important. Over the past year, our Threat Intelligence team has improved our malware scan by leaps and bounds. We wanted to share some of the metrics we use and what they …
Read More

Episode 78: Targeted Phishing Bypassing Security Checks and a new DDoS Record

This entry was posted in Podcasts on June 22, 2020 by Kathy Zant   0 Replies

This week, we look at some targeted phishing attacks that are bypassing Microsoft Outlook’s protective filters, and phishing campaigns using calendar invitations to target unsuspecting recipients. We also look at some successful bitcoin scams and a new record for a massive DDoS attack that targeted an AWS customer. Drupal pushes out some security fixes, and …
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