WordPress Malware Camouflaged As Code

In today’s post we discuss emerging techniques that attackers are using to hide the presence of malware. In the example we discuss below, the attacker’s goal is to make everything look routine to an analyst so that they do not dig deeper and discover the presence of malware and what it is doing. ...

Wordfence Argus: Moving Beyond Human Research Capability

When you create an AI agent that makes a breakthrough that is so difficult to understand that you need to ask it to write a blog post to explain it to you, you know you're on to something. If you're paying attention, you should have noticed that the major vulnerability we recently reported in one...

Wordfence Intelligence Weekly WordPress Vulnerability Report (March 30, 2026 to April 5, 2026)

Last week, there were 56 vulnerabilities disclosed in 50 WordPress Plugins that have been added to the Wordfence Intelligence Vulnerability Database, and there were 38 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities in this report now to...

6,000 WordPress Sites Affected by Unauthenticated Critical Vulnerability in WP Job Portal WordPress Plugin

📢 Did you know Wordfence runs a Bug Bounty Program for all WordPress plugin and themes at no cost to vendors? Through October 14th, researchers can earn up to $31,200, for all in-scope vulnerabilities submitted to our Bug Bounty Program! Find a vulnerability, submit the details directly to us, an...

Wordfence 7.8.0 Is Out! Here Is What Is Included

Wordfence 7.8.0 is out! A huge thanks to our quality assurance team, our team of developers and our ops team for planning, implementing and releasing Wordfence 7.8.0. This release has several fixes to make Wordfence even more robust, and includes a fundamental change in the way our signup works...

15,000 WordPress Sites Affected by Arbitrary File Upload Vulnerability in MasterStudy LMS Pro WordPress Plugin

📢In case you missed it, Wordfence just published itsannual WordPress security report for 2024. Read it now to learn more about the evolving risk landscape of WordPress so you can keep your sites protected in 2025 and beyond. On May 15th, 2025, we received a submission for an Arbitrary File Upload...

Developer Accounts Compromised Due to Credential Reuse in WordPress.org Supply Chain Attack

On June 24th, 2024, the Wordfence Threat Intelligence Team became aware of a WordPress plugin, Social Warfare, that was infected with malware through the WordPress repository. Upon further investigation, our team quickly identified 4 additional affected plugins through our internal Threat...

Supply Chain Attack on WordPress.org Plugins Leads to 5 Maliciously Compromised WordPress Plugins

On Monday June 24th, 2024 the Wordfence Threat Intelligence team became aware of a plugin, Social Warfare, that was injected with malicious code on June 22, 2024 based on a forum post by the WordPress.org Plugin Review team. We immediately checked the malicious file and uploaded it to our interna...

Wordfence Reviews and Where to Find Them

Just a quick note. If youre looking for objective Wordfence reviews, you can find them on the official WordPress plugin repository in the Wordfence reviews section which is linked to from the Wordfence entry in the official WordPress repository. The Wordfence plugin is available in the repository...

Wordfence Intelligence Weekly WordPress Vulnerability Report (August 24, 2026 to August 30, 2026)

Last week, there were 284 vulnerabilities disclosed in 198 WordPress Plugins and 6 WordPress Themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 136 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilitie...

Wordfence Intelligence Weekly WordPress Vulnerability Report (July 6, 2026 to July 12, 2026)

Last week, there were 311 vulnerabilities disclosed in 254 WordPress Plugins and 8 WordPress Themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 167 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilitie...

Wordfence Intelligence Weekly WordPress Vulnerability Report (November 24, 2025 to November 30, 2025)

Last week, there were 126 vulnerabilities disclosed in 113 WordPress Plugins and 5 WordPress Themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 60 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities...

$1,313 Bounty Awarded for Privilege Escalation Vulnerability Patched in Academy LMS WordPress Plugin

Did you know were running a Bug Bounty Extravaganza again? Earn over 6x our usual bounty rates, up to $10,000, for all vulnerabilities submitted through February 29th, 2024 when you opt to have Wordfence handle responsible disclosure! On February 14th, 2024, during our second Bug Bounty...

The Wordfence 2023 State of WordPress Security Report

Today, the Wordfence Threat Intelligence team is releasing our 2023 State of WordPress Security Report as a free White Paper. In our report, we look at changes in the threat landscape, analyze impactful trends, and provide recommendations based on our findings. While most of our recommendations...

Introducing Free Wordfence Intelligence WordPress Vulnerability Webhook Notifications!

We’re incredibly excited to announce that we have launched a webhook integration for vulnerabilities as part of Wordfence Intelligence, which enables users to stay on top of the latest vulnerabilities being added to the Wordfence Intelligence WordPress Vulnerability database, all completely for...

Wordfence Premium Price Increase Coming in December – The First Since 2016

It has been over 6 years since we last raised our prices. Since then our team has more than doubled in size and we have introduced significant improvements to the core Wordfence product, launched a range of free and paid products, and introduced new services that include 24 hour incident response...

Wordfence Intelligence Launching at Black Hat 2022 in Las Vegas Next Week

Wordfence protects over 4 million websites around the world on 12,000 unique networks, and we block over 1.8 billion attacks targeting those websites every month. For years we have had a relationship with our customers that is a virtuous cycle: We receive attack reports from our customers at a ra...

Nulled WordPress Plugins – Dangers and Downsides

In our 2020 Threat Report, the Wordfence Threat Intelligence Team identified malware distributed via nulled, pirated, or counterfeit plugins and themes as one of the largest threats facing the WordPress ecosystem. Many site owners are unaware of the risks associated with using nulled plugins, and...

Wordfence Intelligence Weekly WordPress Vulnerability Report (May 11, 2026 to May 17, 2026)

Last week, there were 78 vulnerabilities disclosed in 62 WordPress Plugins and 2 WordPress Themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 59 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities i...

Wordfence Bug Bounty Program Monthly Report – February 2026

Last month in February 2026, the Wordfence Bug Bounty Program received 1078 vulnerability submissions from our growing community of security researchers working to improve the overall security posture of the WordPress ecosystem. These submissions are reviewed, triaged, and processed by the...

Quarterly WordPress Threat Intelligence Report – Q3 2025

As the leader in WordPress security, Wordfence provides unparalleled security coverage that fully encompasses protection, active monitoring, detection, and response all built around our threat intelligence, demonstrating a strong commitment to security. Our mission is to ensure comprehensive...

Wordfence Intelligence Weekly WordPress Vulnerability Report (August 11, 2025 to August 17, 2025)

Calling all Vulnerability Researchers and Bug Bounty Hunters! Spring into Summer with Wordfence! Now through September 4, 2025, earn 2X bounty rewards forall in-scope submissions from our 'High Threat' list in software with fewer than 5 million active installs. Bounties up to $31,200 per...

WordPress Security Research Series: Setting Up Your Research Lab

Welcome to Part 3 of the WordPress Security Research Beginner Series! If you haven’t yet, take a minute to check out the series introduction to get a sense of what this series is all about. You’ll also want to catch up on Part 1, where we dig into WordPress request architecture and hooks, and Par...

Wordfence: The World’s Leading Quality WordPress Vulnerability Intelligence Provider

On April 8th, 2024, we released our 2024 Annual WordPress Security Report, highlighting key trends and insights across the evolving landscape of WordPress security. Today, we want to shine a spotlight on Wordfence’s contributions through our Bug Bounty Program, and reaffirm our commitment to...

100,000 WordPress Sites Affected by Arbitrary File Upload, Read and Deletion Vulnerability in Everest Forms WordPress Plugin

📢Did you know Wordfence runs aBug Bounty Program for all WordPress plugins and themes at no cost to vendors? Researchers can earn up to $31,200 per vulnerability , for all in-scope vulnerabilities submitted to our Bug Bounty Program! Find a vulnerability, submit the details directly to us, and we...

10,000 WordPress Sites Affected by High Severity Vulnerabilities in BookingPress WordPress Plugin

On July 2nd, 2024, during the 0-day Threat Hunt Promo of our Bug Bounty Program, we received a submission for an Arbitrary File Read to Arbitrary File Creation vulnerability in BookingPress, a WordPress plugin with over 10,000 active installations. This vulnerability makes it possible for...

40,000 WordPress Sites affected by Vulnerability That Leads to Privilege Escalation in Login/Signup Popup WordPress Plugin

📢 Did you know Wordfence runs a Bug Bounty Program for all WordPress plugin and themes at no cost to vendors? Researchers can earn up to $10,400, for all in-scope vulnerabilities submitted to our Bug Bounty Program! Find a vulnerability, submit the details directly to us, and we handle all the...

Record Breaking $153,000+ Already Invested into the Security of the WordPress Ecosystem by Wordfence – More to Come!

Did you know were running a Bug Bounty Extravaganza again? Earn over 6x our usual bounty rates, up to $10,000, for all vulnerabilities submitted through May 27th, 2024 when you opt to have Wordfence handle responsible disclosure! In just a few short months since our launch in November of last yea...

Website Takeover Campaign Takes Advantage of Unauthenticated Stored Cross-Site Scripting Vulnerability in Popup Builder Plugin

On December 11, 2023, we added an Unauthenticated Stored XSS vulnerability in the Popup Builder WordPress plugin to our Wordfence Intelligence Vulnerability Database. This vulnerability, which was originally reported by WPScan, allows an unauthenticated attacker to inject arbitrary JavaScript tha...

The 2023 Wordfence Holiday Bug Extravaganza Reaches An Exciting Conclusion!

After an incredibly successful few weeks, the Wordfence Holiday Bug Extravaganza came to a close yesterday. We’d like to sincerely thank everyone who spent time researching, finding, and submitting vulnerabilities. Your efforts have helped to make the WordPress community and the web safer. Many...

Entering a Higher State of Vigilance – Ukraine Under Attack

It appears that Russia has just commenced the invasion of Ukraine. Check your preferred international news outlet, but according to the Ukrainian foreign minister "Putin has just launched a full-scale invasion of Ukraine." Ukrainian airspace is closed with flights diverting. The Twitter Safety...

Wordfence Intelligence Weekly WordPress Vulnerability Report (June 29, 2026 to July 5, 2026)

Last week, there were 289 vulnerabilities disclosed in 205 WordPress Plugins and 41 WordPress Themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 130 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabiliti...

Wordfence Intelligence Weekly WordPress Vulnerability Report (May 4, 2026 to May 10, 2026)

Last week, there were 78 vulnerabilities disclosed in 62 WordPress Plugins and 2 WordPress Themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 59 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities i...

Wordfence Intelligence Weekly WordPress Vulnerability Report (October 27, 2025 to November 2, 2025)

Calling all Vulnerability Researchers and Bug Bounty Hunters! Operation: Maximum Impact Challenge ! Now through November 10, 2025, earn 2X bounty rewards forall in-scope submissions in software with at least 5,000 active installs and fewer than 5 million active installs. Bounties up to $31,200 pe...

600,000 WordPress Sites Affected by PHP Object Injection Vulnerability in Fluent Forms WordPress Plugin

📢 Calling all Vulnerability Researchers and Bug Bounty Hunters!📢 💉 Participate in theSQLsplorer Challenge! Now through September 22, 2025, all SQL Injection vulnerabilities in software with at least 25 active installs are considered in-scope for all researchers, regardless of researcher tier AND...

50,000 WordPress Sites Affected by Arbitrary File Upload Vulnerability in Greenshift WordPress Plugin

📢In case you missed it, Wordfence just published itsannual WordPress security report for 2024. Read it now to learn more about the evolving risk landscape of WordPress so you can keep your sites protected in 2025 and beyond. On April 14th, 2025, we received a submission for an Arbitrary File Uplo...

10,000 WordPress Sites Affected by Arbitrary File Upload Vulnerability in AI Power: Complete AI Pack WordPress Plugin

🦸 👻 Calling all superheroes and haunters! Introducing theCybersecurity Month Spooktacular Haunt and the WordPress Superhero Challenge for the Wordfence Bug Bounty Program! Through November 11th, 2024: All in-scope vulnerability types for WordPress plugins/themes with = 1,000 active installations...

GPU Hosting and Open Source AI Will Revolutionize or Kill WordPress

On the eve of WordCamp US 2024 we find ourselves in the midst of a revolution. It is perhaps the most profoundly transformative technology revolution our species has experienced in our short history in this Universe. In fundamental terms, since computers have existed we have been programming them...

The Aftermath of the WordPress.org Supply Chain Attack: New Malware and Techniques Emerge

On Monday June 24th, 2024 the Wordfence Threat Intelligence team was made aware of the presence of malware in the Social Warfare repository plugin. After adding the malicious code to our Threat Intelligence Database and examining it, we discovered additional affected plugins and continued...

Up to 30X Faster PHP Malware Scans with Wordfence CLI 4.0.1

Most of our customers scan a single site or a small number of sites for PHP malware using the Wordfence Plugin, and they coordinate scanning across multiple sites with Wordfence Central. If you are responsible for securing a large hosting provider network as part of an operations or security team...

Ukrainian Website Threat Landscape Throughout 2022

The Russian invasion of Ukraine began on February 20, 2022. By mid-March it was clear the cyber-war had begun, and the attacks have been consistent ever since. Prior to this, on March 1, 2022, Wordfence reported on an attack campaign on Ukrainian university websites. In response, we deployed our...

PSA: Critical Vulnerability Patched in Ninja Forms WordPress Plugin

On June 16, 2022, the Wordfence Threat Intelligence team noticed a back-ported security update in Ninja Forms, a WordPress plugin with over one million active installations. As with all security updates in WordPress plugins and themes, our team analyzed the plugin to determine the exploitability...

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 over our full disclosure ear...

Multiple Vulnerabilities in Brizy Page Builder Plugin Allow Site Takeover

Note: To receive disclosures like this in your inbox the moment they’re published, you can subscribe to our WordPress Security Mailing List. On August 19, 2021, the Wordfence Threat Intelligence team initiated the Responsible Disclosure process for Brizy - Page Builder, a WordPress plugin install...

WordPress SQLsplorer Challenge: Bigger Scope and Bounties for All Researchers in the Wordfence Bug Bounty Program

From now through September 22, 2025 , we’re running our SQLsplorer Challenge , focused on SQL Injection vulnerabilities. During this challenge, we’re expanding the scope of the Wordfence Bug Bounty Program to encourage deeper research into SQL Injection vulnerabilities and broader participation...

10,000 WordPress Sites Affected by Arbitrary File Read and Delete Vulnerability in InPost PL and InPost for WooCommerce WordPress Plugins

📢 Did you know Wordfence runs a Bug Bounty Program for all WordPress plugin and themes at no cost to vendors? Through October 14th, researchers can earn up to $31,200, for all in-scope vulnerabilities submitted to our Bug Bounty Program! Find a vulnerability, submit the details directly to us, an...

$601 Bounty Awarded for Interesting Cross-Site Request Forgery to Local JS File Inclusion Vulnerability Patched in File Manager WordPress Plugin

🎉 Did you know were running a Bug Bounty Extravaganza again? Earn over 6x our usual bounty rates, up to $10,000, for all vulnerabilities submitted through May 27th, 2024 when you opt to have Wordfence handle responsible disclosure! On February 15th, 2024, during our second Bug Bounty Extravaganza...

Announcing Vulnerability Scanning in Wordfence CLI 2.0.1 “Voodoo Child”

Note: If youre a WordPress user, we recommend the Wordfence Security Plugin which provides a robust and complete set of security controls for WordPress websites. If you host WordPress servers and need high performance malware and vulnerability scanning on the command line, read on! Our mission at...

WordPress Core 6.0.2 Security & Maintenance Release – What You Need to Know

On August 30, 2022, the WordPress core team released WordPress version 6.0.2, which contains patches for 3 vulnerabilities, including a High Severity SQLi vulnerability in the Links functionality as well as two Medium Severity Cross-Site Scripting vulnerabilities. These patches have been backport...

Episode 124: PrintNightmare 0Day Exploit Accidentally Leaked Online

Security researchers accidentally leaked zero-day exploit code for a new Windows bug, now called PrintNightmare, while easily exploitable vulnerabilities in the ProfilePress plugin, previously called WP User Avatar, were patched quickly. An unprotected cloud database containing over 814 million...