536 matches found
100,000 WordPress Sites Affected by Arbitrary File Read Vulnerability in Anti-Malware Security and Brute-Force Firewall WordPress Plugin
On October 3rd, 2025, we received a submission for an Arbitrary File Read vulnerability in Anti-Malware Security and Brute-Force Firewall, a WordPress plugin with more than 100,000 active installations. This vulnerability makes it possible for an authenticated attacker, with subscriber-level...
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...
33,000 WordPress Sites Affected by Privilege Escalation Vulnerability in RealHomes WordPress Theme
🌞Spring Into Summer Challenge: Critical Threats = Critical Rewards. 🌞 🔥 Now through August 4, 2025, earn 2X bounty rewards for all in-scope submissions from our'High Threat' list in software with fewer than 5 million active installs. Submit bold. Earn big! 🔥 On May 4th, 2025, we received a...
Sophisticated & Stealthy Formjacking Malware Targets E-Commerce Checkout Pages
📢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. The Wordfence Threat Intelligence team recently uncovered a sophisticate...
How Much is Your Hacked Site Worth?
The Wordfence Threat Intelligence team has recently concluded an investigation of online marketplaces, colloquially known as “shops” by threat actors, selling access to compromised services. While contemporary threat actors primarily coordinate and conduct business through Telegram channels,...
Spikes in Attacks Serve as a Reminder to Update Plugins
The Wordfence Threat Intelligence team continually monitors trends in the attack data we collect. Occasionally an unusual trend will arise from this data, and we have spotted one such trend standing out over the Thanksgiving holiday in the U.S. and the first weekend in December. Attack attempts...
Wordfence Intelligence Launches New Malware Hash Feed!
Today, the Wordfence team is launching a Malware Hash Feed as part of our Wordfence Intelligence API. This gives our Enterprise users another way to rapidly and definitively identify malware targeting web applications. As the world’s foremost WordPress security provider, Wordfence has an expertly...
A New Threat Landscape Meets A New Kind of Defender
Three years ago we launched a bug bounty program to accelerate WordPress security research, and it has been incredibly successful and has since secured the WordPress community against 9,727 vulnerabilities reported through our program. We have thus far awarded a total of $981,251 to researchers...
How a Webmail Log File Became a Root-Level Backdoor
THREAT ANALYSIS May 2026 · Forensic Case Study A forensic breakdown of how an attacker turned CyberPanel's SnappyMail logging into a persistent webshell that survived every WordPress cleanup attempt. A WordPress site owner reported redirect malware on their site. They found that clicking anywhere...
The Increasing Role of AI in Vulnerability Research
At Wordfence, we run a bug bounty program that pays out mid-six figures per year to researchers in bug bounties for WordPress related vulnerabilities. Funding this research helps us improve security for the WordPress community overall, and helps us secure our customers by rolling out protection f...
The Price of ‘Free’: How Nulled Plugins Are Used to Weaken Your Defense
The Wordfence Threat Intelligence Team has discovered a new malware campaign that highlights the hidden risks associated with "nulled plugins", or premium plugins that have been tampered with by third parties. This campaign is particularly concerning because it doesn't just infect websites: it...
Wordfence Bug Bounty Program Monthly Report – July 2025
Last month in July 2025, the Wordfence Bug Bounty Program received 325 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 Wordfence...
600,000 WordPress Sites Affected by Arbitrary File Upload Vulnerability in Forminator Forms WordPress Plugin
On July 14th, 2026, we received a submission for an Unauthenticated Arbitrary File Upload vulnerability in Forminator Forms, a WordPress plugin with more than 600,000 active installations. This vulnerability makes it possible for unauthenticated attackers to upload arbitrary files, including...
Wordfence Intelligence Weekly WordPress Vulnerability Report (August 3, 2026 to August 9, 2026)
Last week, there were 248 vulnerabilities disclosed in 207 WordPress Plugins and 13 WordPress Themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 137 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabiliti...
Wordfence Intelligence Weekly WordPress Vulnerability Report (July 20, 2026 to July 26, 2026)
Last week, there were 249 vulnerabilities disclosed in 198 WordPress Plugins and 6 WordPress Themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 107 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilitie...
wp2shell Aftermath: The First Critical Unauthenticated WordPress Core RCE in Nearly a Decade
On Friday, July 17, 2026, the WordPress Security Team released security updates for WordPress Core addressing two vulnerabilities that, when chained together, can lead to unauthenticated remote code execution. The chain, now commonly referred to as wp2shell , was discovered and reported by Adam...
Authenticated Arbitrary File Upload Vulnerability Patched in Slider Revolution 7 WordPress Plugin
On April 18th, 2026, we received a submission for an Authenticated Arbitrary File Upload vulnerability in Slider Revolution, a WordPress plugin. Although the plugin has more than 5,000,000 active installations, we estimate that only around 45,000 sites are using a vulnerable version, as the issue...
Wordfence Bug Bounty Program Monthly Report – November 2025
Last month in November 2025, the Wordfence Bug Bounty Program received 746 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 Wordfen...
Malware Using Variable Functions and Cookies For Obfuscation
📢 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 $31,2...
15,000 WordPress Sites Affected by Privilege Escalation Vulnerability in Dokan Pro WordPress Plugin
📢 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...
6,000 WordPress Sites Affected by Arbitrary File Move Vulnerability in Drag and Drop Multiple File Upload for WooCommerce 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...
1.6 Million WordPress Sites Hit With 13.7 Million Attacks In 36 Hours From 16,000 IPs
Today, on December 9, 2021, our Threat Intelligence team noticed a drastic uptick in attacks targeting vulnerabilities that make it possible for attackers to update arbitrary options on vulnerable sites. This led us into an investigation which uncovered an active attack targeting over a million...
WP2Shell WordPress Exploit Technical Analysis and Real Attack Data
On July 17th, 2026, the WordPress Security Team released updates to WordPress core addressing a critical vulnerability chain that can be leveraged by unauthenticated attackers to create an administrator account and then execute code through normal administrator capabilities, such as uploading a...
Attackers Actively Exploiting Critical Vulnerability in WP Freeio Plugin
On September 25th, 2025, we received a submission for a Privilege Escalation vulnerability in WP Freeio, a WordPress plugin bundled in the Freeio premium theme with more than 1,700 sales. This vulnerability makes it possible for an unauthenticated attacker to grant themselves administrative...
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...
4,000,000 WordPress Sites Affected by Arbitrary File Read Vulnerability in Slider Revolution WordPress Plugin
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...
200,000 WordPress Sites Affected by Arbitrary File Deletion Vulnerability in SureForms WordPress Plugin
📢 Calling all Vulnerability Researchers and Bug Bounty Hunters!📢 🌞 Spring into Summer with Wordfence! Now through August 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...
National Cyber Security Awareness Month: You Could Be the Biggest Threat to Your WordPress Site
October is National Cyber Security Awareness Month in the U.S., and this year’s theme is “See Yourself in Cyber.” What is really being said by this theme is that we all have a role to play in cyber security, whether we work in the industry or not. With this in mind, the Cybersecurity and...
50,000 WordPress Sites affected by Arbitrary File Upload Vulnerability in Ninja Forms – File Upload WordPress Plugin
On January 8th, 2026, we received a submission for an Arbitrary File Upload vulnerability in Ninja Forms - File Upload, a WordPress plugin with an estimated 50,000 active installations. This vulnerability makes it possible for an unauthenticated attacker to upload arbitrary files to a vulnerable...
A (Beta) Audio Roundup of September’s WordPress Vulnerabilities
For those of you that want to stay abreast of the newest vulnerabilities in the WP ecosystem, but like to multitask, here's an audio roundup of the vulnerabilities we published in the month of September. This is something new I'm trying. The conversation is AI generated by Google's NotebookLM...
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...
Friday Fun: From Idea to Animated Film
Its Friday, and I thought wed have fun talking about something a little different. At Wordfence, one of my priorities is fostering a strong creative team and culture, and investing in creators. Emily Dalmas joined us as a full-time producer almost a year ago via her job as Associate Producer for...
Wordfence PRISM Detected Backdoored WordPress Plugin within Two Hours of it Being Introduced
On July 28th, 2026, our autonomous AI vulnerability intelligence agent, Wordfence PRISM, identified a critical Authentication Bypass backdoor in Advanced Responsive Video Embedder, a WordPress plugin with approximately 20,000 active installations, less than two hours after the malicious code was...
800,000 WordPress Sites Affected by Arbitrary File Read Vulnerability in Smart Slider 3 WordPress Plugin
On February 23, 2026, we received a submission for an Arbitrary File Read vulnerability in Smart Slider 3, a WordPress plugin with an estimated more than 800,000 active installations. This vulnerability makes it possible for an authenticated attacker, with subscriber-level permissions or higher, ...
600,000 WordPress Sites Affected by Arbitrary File Deletion Vulnerability in Forminator WordPress Plugin
📢 Calling all Vulnerability Researchers and Bug Bounty Hunters!📢 🌞 Spring into Summer with Wordfence! Now through August 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...
40,000 WordPress Sites affected by Authentication Bypass Vulnerability in User Profile Builder WordPress Plugin
On July 14th, 2026, we received a submission for an Authentication Bypass vulnerability in User Profile Builder, a WordPress plugin with more than 40,000 active installations. This vulnerability makes it possible for unauthenticated attackers to log in as the user with ID 1, which is typically th...