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Trump Campaign Site Hacked – What We Know & Lessons Learned

On October 27, 2020 at approximately 4:50pm Mountain Time, Donald Trump’s campaign website, www.donaldjtrump.com, was defaced. The attackers left a message claiming they had compromising information on President Trump. The defacement page contained two Monero cryptocurrency wallet IDs encouraging visitors to “vote” by sending cryptocurrency to the wallets, indicating that if the first wallet received …Read More

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Introducing Wordfence Central Teams

Last year, we introduced Wordfence Central and today thousands of WordPress site owners are using this free tool to manage their WordPress sites. Whether you’re using Wordfence Premium or still on the free plugin, Wordfence Central makes it possible for you to manage your sites’ security settings, tune your security alerts, and quickly assess security …Read More

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Episode 92: WordPress Forced Security Autoupdate Protects Sites from Loginizer Vulnerability

An easily exploitable SQL injection vulnerability was discovered in the Loginizer plugin installed on over one million WordPress sites, causing the WordPress team to force an update to sites using the vulnerable version. The Justice Department is filing antitrust suit against Google for allegedly monopolizing search and search advertising markets. Google Chrome gets an update …Read More

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Episode 91: How Hackers Can Use CSRF Vulnerabilities and Spearphishing to Wreak Havoc on WordPress

On this week’s episode of Think Like a Hacker, we chat about the cross-site request forgery (CSRF) vulnerability found in the Child Theme Creator by Orbisius and how attackers could use a vulnerability like this with spearphishing to wreak havoc, much like the phishing campaigns now being found on the Canva design platform. With WordPress …Read More

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High Severity Vulnerability Patched in Child Theme Creator by Orbisius

On September 9, 2020, our Threat Intelligence team discovered a vulnerability in Child Theme Creator by Orbisius, a WordPress plugin installed on over 30,000 sites. This flaw gave attackers the ability to forge requests on behalf of an administrator in order to modify arbitrary theme files and create new PHP files, which could allow an …Read More

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Episode 90: WPBakery Plugin Vulnerability Exposes Over 4 Million Sites

A vulnerability discovered by the Wordfence Threat Intelligence team in the WPBakery plugin exposes over 4 million sites. High severity vulnerabilities were discovered in the Post Grid and Team Showcase plugins. The online avatar service Gravatar, has been exposed to a user enumeration technique, which could be abused to collect data on its users’ profiles, …Read More

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Vulnerability Exposes Over 4 Million Sites Using WPBakery

On July 27th, our Threat Intelligence team discovered a vulnerability in WPBakery, a WordPress plugin installed on over 4.3 million sites. This flaw made it possible for authenticated attackers with contributor-level or above permissions to inject malicious JavaScript in posts. We initially reached out to the plugin’s team on July 28, 2020 through their support …Read More

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High Severity Vulnerabilities in Post Grid and Team Showcase Plugins

On September 14, 2020, our Threat Intelligence team discovered two high severity vulnerabilities in Post Grid, a WordPress plugin with over 60,000 installations. While investigating one of these vulnerabilities, we discovered that almost identical vulnerabilities were also present in Team Showcase, a separate plugin by the same author with over 6,000 installations. We initially reached …Read More

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Episode 89: Shopify Rogue Employees, Medium and Twitter Vulnerabilities, and Hackers Hiding Out in Corporate Networks

Shopify reports that two rogue employees stole data from 200 merchants on their platform. A security researcher found a vulnerability in the Medium Partner Program could have allowed an attacker to steal writers’ earnings. Symantec reports that a state-sponsored hacking group has been hiding out in company networks as a part of an information-stealing campaign. …Read More

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Common Ways Attackers Are Stealing Credentials

A few weeks ago, we reviewed some of the worst website hacks we’ve ever seen. Every one of them started with poor password choices and escalated into a disastrous event for the site owner. Strong passwords and good password hygiene are often the first line of defense. On September 29, 2020, the Wordfence Live team …Read More

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Episode 88: XCloner Vulnerabilities, LokiBot Malware, & a 14 Year Old Nets a $25K Bug Bounty

Our Threat Intelligence team discovered several vulnerabilities present in XCloner Backup and Restore, a WordPress plugin installed on over 30,000 sites. These vulnerabilities could have allowed an attacker to modify arbitrary files, including PHP files. The US government Cybersecurity and Infrastructure Security Agency is warning of detected persistent malicious activity traced back to LokiBot infections. …Read More

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Critical Vulnerabilities Patched in XCloner Backup and Restore Plugin

On August 14, our Threat Intelligence team discovered several vulnerabilities present in XCloner Backup and Restore, a WordPress plugin installed on over 30,000 sites. This flaw gave authenticated attackers, with subscriber-level or above capabilities, the ability to modify arbitrary files, including PHP files. Doing so would allow an attacker to achieve remote code execution on …Read More

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Episode 87: Vulnerabilities Affect Discount Rules for WooCommerce Plugin, ModSecurity & Windows

Vulnerabilities were recently patched in the Discount Rules for WooCommerce plugin installed on over 40,000 WordPress sites. Developers from OWASP Core Rule Set said ModSecurity v3 is exposed to denial of service exploits, though the maintainers of ModSecurity reject that claim. A severe vulnerability called Zerologon in Windows Netlogon was patched in August; this bug …Read More

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High-Severity Vulnerabilities Patched in Discount Rules for WooCommerce

On August 20, 2020, the Wordfence Threat Intelligence team was made aware of several vulnerabilities that had been patched in Discount Rules for WooCommerce, a WordPress plugin installed on over 40,000 sites. We released a firewall rule to protect against these vulnerabilities the same day. During our investigation, we also discovered a separate set of …Read More

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The Hacker Motive: What Attackers Are Doing with Your Hacked Site

Yesterday, September 15, 2020, the Wordfence Live team covered The Hacker Motive: What Attackers Are Doing with Your Hacked Site. This companion blog post reviews the motives we discussed live during Wordfence Live and dives deeper into the minds of attackers. You can watch the video of Wordfence Live below. Timestamps You can click on …Read More

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Episode 86: War of the Hackers

Millions of attacks have been targeting the recent File Manager plugin zero-day vulnerability discovered last week. Two attackers are vying for control over sites compromised through the vulnerability. A security researcher has revealed that specially crafted Windows 10 themes can be used to perform Pass-the-Hash attacks. A database belonging to the Digital Point webmaster forum …Read More

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Millions of Sites Targeted in File Manager Vulnerability Attacks

The Wordfence Threat Intelligence team is seeing a dramatic increase in attacks targeting the recent 0-day in the WordPress File Manager plugin. This plugin is installed on over 700,000 WordPress websites, and we estimate that 37.4% or 261,800 websites are still running vulnerable versions of this plugin at the time of this publication. Attacks are …Read More

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Episode 85: 0Day in File Manager Plugin and WordPress 5.5.1 Fixes Broken Sites

Over 700,000 WordPress users were affected by a zero-day vulnerability in the File Manager plugin, and the WordPress 5.5.1 release fixed millions of sites affected by deprecation of jQuery Migrate. SendGrid is under siege from spammers using hacked accounts, and Apple approves a notorious malware variant to run on Macs. Here are timestamps and links …Read More

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700,000 WordPress Users Affected by Zero-Day Vulnerability in File Manager Plugin

This morning, on September 1, 2020, the Wordfence Threat Intelligence team was alerted to the presence of a vulnerability being actively exploited in File Manager, a WordPress plugin with over 700,000 active installations. This vulnerability allowed unauthenticated users to execute commands and upload malicious files on a target site. A patch was released this morning …Read More

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Episode 83: 100,000 Sites Impacted by Vulnerabilities in Advanced Access Manager

The Wordfence Threat Intelligence team discovered vulnerabilities in the Advanced Access Manager plugin installed on over 100,000 WordPress sites. A high severity authorization bypass could lead to privilege escalation and site takeover. Critical vulnerabilities found in the Quiz and Survey Master plugin could also lead to site takeover on the 30,000 WP sites using the …Read More

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High-Severity Vulnerability Patched in Advanced Access Manager

On August 13, 2020, the Wordfence Threat Intelligence team finished investigating two vulnerabilities in Advanced Access Manager, a WordPress plugin with over 100,000 installations, including a high-severity Authorization Bypass vulnerability that could lead to privilege escalation and site takeover. We reached out to the plugin’s author the next day, on August 14, 2020, and received …Read More

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10 WordPress Security Mistakes You Might Be Making

Yesterday, August 18, 2020, the Wordfence Live team covered 10 WordPress Security Mistakes You Might be Making. This companion blog post reviews the recommendations we provided to avoid these mistakes and better secure your WordPress environment. You can watch the video of Wordfence Live below. Timestamps You can click on these timestamps to jump around …Read More

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Episode 82: Important Changes in the WordPress 5.5 Update

WordPress 5.5 was released on August 11 with a number of important updates, including a new feature allowing auto-updates of themes and plugins as well as changes to the block editor. The popular Astra theme was suspended from the repository for having affiliate links in the code. A vulnerability found in Google Chromium browsers could …Read More

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Critical Vulnerabilities Patched in Quiz and Survey Master Plugin

On July 17, 2020, our Threat Intelligence team discovered two vulnerabilities in Quiz and Survey Master (QSM), a WordPress plugin installed on over 30,000 sites. These flaws made it possible for unauthenticated attackers to upload arbitrary files and achieve remote code execution, as well as delete arbitrary files like a site’s wp-config.php file which could …Read More

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Episode 81: Critical Vulnerability Exposes over 700,000 Sites Using Divi, Extra, and Divi Builder

Our Threat Intelligence team disclosed numerous vulnerabilities this week, including a critical vulnerability in the Divi and Extra themes as well as the Divi Builder plugin. In total, this vulnerability affected over 700,000 sites. A vulnerability found in The Official Facebook Chat Plugin created a vector for social engineering attacks as it allowed an attacker …Read More

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WordPress Auto-Updates: What do you have to lose?

A new feature that will allow automatic updating of plugins and themes will be available in WordPress version 5.5, which is scheduled to be released on August 11, 2020. In this core release of the world’s most popular content management system, site owners will have the option to turn auto-updates on for individual plugins and …Read More

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The Official Facebook Chat Plugin Created Vector for Social Engineering Attacks

On June 26, 2020, our Threat Intelligence team discovered a vulnerability in The Official Facebook Chat Plugin, a WordPress plugin installed on over 80,000 sites. This flaw made it possible for low-level authenticated attackers to connect their own Facebook Messenger account to any site running the vulnerable plugin and engage in chats with site visitors …Read More

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Critical Vulnerability Exposes over 700,000 Sites Using Divi, Extra, and Divi Builder

On July 23, 2020, our Threat Intelligence team discovered a vulnerability present in two themes by Elegant Themes, Divi and Extra, as well as Divi Builder, a WordPress plugin. Combined, these products are installed on an estimated 700,000 sites. This flaw gave authenticated attackers, with contributor-level or above capabilities, the ability to upload arbitrary files, …Read More