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...

200,000 WordPress Sites Affected by Unauthenticated Critical Vulnerabilities in Anti-Spam by CleanTalk WordPress Plugin

Calling all superheroes and hunters! Introducing the End of Year Holiday Extravaganza and the WordPress Superhero Challenge for the Wordfence Bug Bounty Program! Through December 9th, 2024: All in-scope vulnerability types for WordPress plugins/themes with = 1,000 active installations are in-scop...

90,000 WordPress Sites Affected by Arbitrary File Upload and Authentication Bypass Vulnerabilities in Jupiter X Core WordPress Plugin

📢 Did you know Wordfence runs aBug Bounty Program for all WordPress plugins and themes at no cost to vendors? Through October 7th, 2024, XSS vulnerabilities in all plugins and themes with =1,000 Active Installs are in scope for all researchers. In addition, through October 14th, 2024 , r esearche...

20,000 WordPress Sites Affected by Remote Code Execution Vulnerability in Bit File Manager 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...

Earn Up to $31,200 Per Vulnerability: Introducing the WordPress Bug Bounty Superhero Challenge!

Today, we’re incredibly excited to launch a new challenge for the Wordfence Bug Bounty Program: the WordPress Superhero Challenge! Through October 14th, we’re introducing a new active installation count range for our bounties for plugins and themes with 5,000,000+ active installations and we are...

Vulnerability in WP DSGVO Tools (GDPR) Plugin Allows Unauthenticated Page Deletion

Note: To receive disclosures like this in your inbox the moment they’re published, you can subscribe to our WordPress Security Mailing List. On September 27, 2021, the Wordfence Threat Intelligence team initiated the disclosure process for a vulnerability we found in WP DSGVO Tools GDPR, a...

Wordfence Intelligence Weekly WordPress Vulnerability Report (December 1, 2025 to December 7, 2025)

Last week, there were 190 vulnerabilities disclosed in 173 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...

400,000 WordPress Sites Affected by Account Takeover Vulnerability in Post SMTP WordPress Plugin

On October 11th, 2025, we received a submission for an Account Takeover via Email Log Disclosure vulnerability in Post SMTP, a WordPress plugin with more than 400,000 active installations. This vulnerability makes it possible for an unauthenticated attacker to view email logs, including password...

100,000 WordPress Sites Affected by Privilege Escalation via MCP in AI Engine WordPress Plugin

🌞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 21st, 2025, our Wordfence Thre...

Know Your Malware Part Two – Hacky Obfuscation Techniques

In the first post in this series, we covered common PHP encoding techniques and how they’re used by malware to hide from security analysts and scanners. In today’s post, we’re going to dive a little bit deeper into other obfuscation techniques that make use of other features available in PHP...

miniOrange Addresses Authentication Bypass Vulnerability in WordPress Social Login and Register WordPress Plugin

On May 28, 2023, our Wordfence Threat Intelligence team identified and began the responsible disclosure process for an Authentication Bypass vulnerability in miniOrange’s WordPress Social Login and Register plugin, which is actively installed on more than 30,000 WordPress websites. The...

Wordfence Intelligence: Because Community Created Vulnerabilities Are Community Property

Last August, at Black Hat 2022 in Las Vegas, we launched Wordfence Intelligence, a product designed to provide large enterprise customers with rich IP threat data, malware signatures, malware hashes, and vulnerability data to help keep enterprise customers and networks secure. Our mission at...

Configuration Probing: Your Backups Might Be Your Greatest Weakness

Configuration files exist to make life easier for developers and website operators. In a world without configuration files, every instance of code that depended on a database connection could potentially require the connection details to be hard coded or manually entered. Other reusable data woul...

84,000 WordPress Sites Affected by Three Plugins With The Same Vulnerability

On November 5, 2021 the Wordfence Threat Intelligence team initiated the responsible disclosure process for a vulnerability we discovered in “Login/Signup Popup”, a WordPress plugin that is installed on over 20,000 sites. A few days later we discovered the same vulnerability present in two...

Over 1 Million Sites Impacted by Vulnerability in Starter Templates Plugin

On October 4, 2021, the Wordfence Threat Intelligence team initiated the responsible disclosure process for the Starter Templates plugin, which is installed on over 1 Million WordPress websites. The full name of the WordPress plugin is “Starter Templates — Elementor, Gutenberg & Beaver Builder...

Recently Patched Vulnerabilities in Ninja Forms Plugin Affect Over 1 Million Site Owners

On August 3, 2021 the Wordfence Threat Intelligence team initiated the responsible disclosure process for two vulnerabilities that were discovered in Ninja Forms, a WordPress plugin installed on over 1,000,000 sites. These flaws made it possible for an attacker to export sensitive information and...

Terms of Use Violation

Wordfence is used by millions of free and paid customers around the world to secure their WordPress websites. We serve a broad range of customers across the globe, from diverse cultures, with diverse backgrounds, and who have diverse political views. As an organization, Defiant, the company that...

Get Spooked By Huge Scope and Rewards in the Wordfence Bug Bounty Cybersecurity Month Spooktacular Haunt!

Calling all vulnerability researchers! Get ready to immerse yourselves in the world of WordPress security with the Wordfence Cybersecurity Month Spooktacular Haunt , running from now through November 11th, 2024! What's Happening During This Cybersecurity Month Spooktacular Haunt? In celebration o...

An Inside Look at The Malware and Techniques Used in the WordPress.org Supply Chain Attack

On Monday June 24th, 2024 the Wordfence Threat Intelligence team was made aware of the presence of malware in the Social Warfare repository plugin see post Supply Chain Attack on WordPress.org Plugins Leads to 5 Maliciously Compromised WordPress Plugins. After adding the malicious code to our...

$493 Bounty Awarded for Arbitrary Options Update Vulnerability Patched in WP Datepicker 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 April 14th, 2024, during our Bug Extravaganza, we received a...

Missing Authorization Vulnerability in Blog2Social Plugin

On October 5, 2022, the Wordfence Threat Intelligence team responsibly disclosed a Missing Authorization vulnerability in Blog2Social, a WordPress plugin installed on over 70,000 sites that allows users to set up post sharing to various social networks. Vulnerable versions of the plugin make it...

XSS Vulnerability Patched in SEOPress Affects 100,000 sites

On July 29, 2021 the Wordfence Threat Intelligence team initiated the responsible disclosure process for a vulnerability that we discovered in SEOPress, a WordPress plugin installed on over 100,000 sites. This flaw made it possible for an attacker to inject arbitrary web scripts on a vulnerable...

100,000 WordPress Sites Affected by Privilege Escalation Vulnerability in AI Engine WordPress Plugin

On October 4th, 2025, we received a submission for a Sensitive Information Exposure vulnerability in AI Engine, a WordPress plugin with more than 100,000 active installations. This vulnerability can be exploited by unauthenticated attackers to extract the bearer token and then get full access to...

Recently Disclosed SureTriggers Critical Privilege Escalation Vulnerability Under Active Exploitation

On May 2nd, 2025 the Wordfence Threat Intelligence team added a new critical vulnerability to the Wordfence Intelligence vulnerability database in the OttoKit: All-in-One Automation Platform Formerly SureTriggers plugin publicly disclosed by a third-party CNA on April 30th, 2025. This vulnerabili...

Introducing the 0-day Threat Hunt Bug Bounty Promo Through July 11th, 2024!

At Wordfence our mission is to Secure The Web. WordPress powers over 40% of the Web, and Wordfence secures over 5 million WordPress websites. Thats why we’ve decided to run another exciting and new promotion for our Bug Bounty Program. With this promotion, our goal is to get more of the highest...

Wordfence CLI 2.1.0 Adds Email Capability and Unattended Configuration

Note: This post refers to Wordfence CLI, the command line tool for operations teams to rapidly scan large numbers of WordPress websites for vulnerabilities and malware, not the Wordfence plugin which is deeply integrated into WordPress and provides additional functionality, like a firewall,...

Introducing Wordfence CLI: A High Performance Malware Scanner Built for the Command Line

Today, we are incredibly excited to announce the launch of Wordfence CLI: an open source, high performance malware scanner built for the command-line. With Wordfence CLI you can detect malware and other indicators of compromise on a host system by running an extremely fast scanner that is at home...

PSA: Update Now! Critical Authentication Bypass in WooCommerce Payments Allows Site Takeover

This post has been updated with additional information that has become available since its publication The Wordfence Threat Intelligence team regularly monitors plugin updates and reviews any indicating that a potential security issue may have been addressed. Today, March 23, 2023, we noticed tha...

Site Deletion Vulnerability in Hashthemes Plugin

Update: a previous version of this article incorrectly indicated that this vulnerability could be used for site takeover, we have updated this for accuracy, as the impact is instead complete loss of site content. Note: To receive disclosures like this in your inbox the moment they’re published, y...

Wordfence Intelligence Weekly WordPress Vulnerability Report (July 13, 2026 to July 19, 2026)

Last week, there were 91 vulnerabilities disclosed in WordPress Core, 80 WordPress Plugins and no WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 62 Vulnerability Researchers that contributed to WordPress Security last week. Review those...

Unauthenticated Privilege Escalation Vulnerability Patched in Kirki WordPress Plugin

On May 4th, 2026, we received a submission for an Unauthenticated Privilege Escalation vulnerability in the Kirki WordPress plugin. Although the plugin has more than 500,000 active installations, we estimate that only around 150,000 sites are using a vulnerable version, as the issue was introduce...

200,000 WordPress Sites at Risk from Critical Authentication Bypass Vulnerability in Burst Statistics Plugin

On May 8, 2026, PRISM, Wordfence Threat Intelligence’s autonomous vulnerability research platform, discovered a critical Authentication Bypass vulnerability in Burst Statistics, a WordPress plugin with more than 200,000 active installations. The vulnerability was introduced in the code on April 2...

Wordfence Intelligence Weekly WordPress Vulnerability Report (April 20, 2026 to April 26, 2026)

Last week, there were 158 vulnerabilities disclosed in 123 WordPress Plugins and 27 WordPress Themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 69 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilitie...

200,000 WordPress Sites Affected by Arbitrary File Deletion Vulnerability in Perfmatters WordPress Plugin

On March 1st, 2026, we received a submission for an Arbitrary File Deletion vulnerability in Perfmatters, a WordPress plugin with more than 200,000 active installations. This vulnerability makes it possible for unauthenticated threat actors to delete arbitrary files, including the wp-config.php...

800,000 WordPress Sites Affected by Arbitrary File Upload Vulnerability in WPvivid Backup WordPress Plugin

On January 12th, 2026, we received a submission for an Arbitrary File Upload vulnerability in WPvivid Backup, a WordPress plugin with more than 800,000 active installations. This vulnerability can be used by unauthenticated attackers to upload arbitrary files to a vulnerable site and achieve remo...

Wordfence Intelligence Weekly WordPress Vulnerability Report (September 15, 2025 to September 21, 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...

Wordfence Bug Bounty Program Monthly Report – August 2025

Last month in August 2025, the Wordfence Bug Bounty Program received 438 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...

100,000 WordPress Sites Affected by Arbitrary File Upload Vulnerability in AI Engine 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...

9,000 WordPress Sites Affected by Arbitrary File Upload and Deletion Vulnerabilities in WP User Frontend 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 March 24th, 2025, we received a submission for an Arbitrary File Uplo...

20,000 WordPress Sites Affected by Arbitrary File Upload and Deletion Vulnerabilities in WP Ultimate CSV Importer 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...

Critical Arbitrary File Upload Vulnerability Patched in Elementor Pro WordPress Plugin

On July 24th, 2026, we received a submission for an Unauthenticated Arbitrary File Upload vulnerability in Elementor Pro, a WordPress plugin with an estimated 6,000,000 active installations. This vulnerability makes it possible for unauthenticated attackers to upload arbitrary files, including...

Attackers Actively Exploiting Critical Vulnerability in King Addons for Elementor Plugin

On July 24th, 2025, we received a submission for a Privilege Escalation vulnerability in King Addons for Elementor, a WordPress plugin with more than 10,000 active installations. This vulnerability makes it possible for an unauthenticated attacker to grant themselves administrative privileges by...

6,000,000 WordPress Sites Protected Against Payment Refund and Subscription Cancellation Vulnerability in WPForms WordPress Plugin

💥 Time to wrap up this year and kick-off the new year with a bang! We’re wrapping up the year with ourEnd of Year Holiday Extravaganza , High-Risk Bonus Blitz Challenge , and Superhero Challenge for the Wordfence Bug Bounty Program. Through January 6th, 2025: All in-scope vulnerability types for...

$400 Bounty Awarded for SQL Injection Vulnerability Patched in WP Activity Log Premium 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 24th, 2024, during our second Bug Bounty Extravaganza...

$1,900 Bounty Awarded for Arbitrary Options Update Vulnerability Patched in Cookie Information | Free GDPR Consent Solution WordPress Plugin

On December 11th, 2023, during our Holiday Bug Extravaganza, we received a submission for an Arbitrary Options Update vulnerability in Cookie Information | Free GDPR Consent Solution, a WordPress plugin with more than 100,000+ active installations. This vulnerability could be used by authenticate...

Know your Malware – A Beginner’s Guide to Encoding Techniques Used to Obfuscate Malware

With the launch of Wordfence CLI, our high performance security scanner that can detect the vast majority of PHP malware targeting WordPress, Wordfence continues to emphasize the importance of malware detection and remediation. Malware targeting WordPress uses a variety of obfuscation techniques ...

Critical Security Update: Directorist WordPress Plugin Patches Two High-risk Vulnerabilities

Alongside our usual work to discover, report, and remediate vulnerabilities in the WordPress ecosystem, the WordPress Threat Intelligence team has been conducting a deep-dive into WordPress plugin code with the objective of finding methods to bypass authentication and gain elevated privileges in...

Wordfence Adds Two Factor Auth for WooCommerce Customers

Wordfence 7.9.0 has been released and it includes a very exciting feature for WooCommerce sites and other WordPress sites wanting to make two factor authentication 2fa available to their site users or members. Wordfence 7.9.0 now lets you give your users the ability to configure 2fa on their...

Holiday Attack Spikes Target Ancient Vulnerabilities and Hidden Webshells

Winter brings a number of holidays in a short period of time, and many organizations shut down or run a skeleton crew for a week or more at the end of the year and beginning of the new year. This makes it easier for would-be attackers to find success as systems are not as closely monitored. This...

Critical Privilege Escalation Vulnerability in Jupiter and JupiterX Premium Themes

On April 5, 2022, the Wordfence Threat Intelligence team initiated the responsible disclosure process for a set of vulnerabilities in the Jupiter and JupiterX Premium themes and the required JupiterX Core companion plugin for WordPress, which included a critical privilege escalation vulnerability...