561 matches found
Backdoor Masquerading as Legitimate Plugin
As part of our product lineup, we offer security monitoring and malware removal services to our Wordfence Care and Response customers. In the event of a security incident, our incident response team will investigate the root cause, find and remove malware from your site, and help with other...
“Never Assume Anything” – Unauthenticated Stored Cross-Site Scripting Vulnerability Exposed in 14 Email Logging Plugins
“Never Assume Anything” – that is the 4th Guiding Principle written in the Security section of the WordPress Common APIs Handbook for developers. When it comes to WordPress plugin security, assumptions can be dangerous. This became evident when the Wordfence Threat Intelligence team discovered an...
Wordfence Intelligence Weekly WordPress Vulnerability Report (February 5, 2024 to February 11, 2024)
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! Last week, there were 95 vulnerabilities disclosed in 65...
Quarterly WordPress Threat Intelligence Report – Q1 2026
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...
How to Find Local File Inclusion (LFI) Vulnerabilities in WordPress Plugins and Themes
Local File Inclusion LFI occurs when user-controlled input is used to build a path to a file that is then included by the application. In WordPress and PHP web applications in general, this means values from $GET, $POST, $REQUEST, or other user-controlled sources end up in the include, require,...
$1,275 Bounty Awarded For Arbitrary File Deletion Vulnerability Patched in MW WP Form 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 December 5th, 2023, shortly after the launch of our Holiday...
Wordfence Intelligence Weekly WordPress Vulnerability Report (December 11, 2023 to December 17, 2023)
Wordfence just launched its bug bounty program. For the first 6 months, all awarded bounties receive a 10% bonus. View the announcement to learn more now! Last week, there were 16 vulnerabilities disclosed in 16 WordPress Plugins and no WordPress themes that have been added to the Wordfence...
Several Critical Vulnerabilities including Privilege Escalation, Authentication Bypass, and More Patched in UserPro WordPress Plugin
On May 1, 2023, the Wordfence Threat Intelligence team began the responsible disclosure process for multiple high and critical severity vulnerabilities we discovered in Kirotech’s UserPro plugin, which is actively installed on more than 20,000 WordPress websites. Wordfence Premium, Wordfence Care...
W3 Eden Addresses Authenticated Stored XSS Vulnerability in Download Manager WordPress Plugin
On April 25, 2023, our Wordfence Threat Intelligence team identified and began the responsible disclosure process for a stored Cross-Site Scripting XSS vulnerability in W3 Eden’s Download Manager plugin, which is actively installed on more than 100,000 WordPress websites, making it one of the mos...
Critical Authentication Bypass Vulnerability Patched in Booster for WooCommerce
On July 30, 2021 the Wordfence Threat Intelligence team initiated the responsible disclosure process for a vulnerability that we discovered in Booster for WooCommerce, a WordPress plugin installed on over 80,000 sites. This flaw made it possible for an attacker to log in as any user, as long as...
$657 Bounty Awarded for Arbitrary File Upload Patched in WEmanage App Worker WordPress Plugin
On February 1st, 2024, during our Bug Bounty Extravaganza, we received a submission for an Arbitrary File Upload vulnerability in Management App for WooCommerce, a WordPress plugin with 1,000+ active installations. This vulnerability makes it possible for authenticated users such as subscribers a...
Update ASAP! Critical Unauthenticated Arbitrary File Upload in MW WP Form Allows Malicious Code Execution
🎁 Wordfence just launched its bug bounty program. Through December 20th 2023, all researchers will earn 6.25x our normal bounty rates when Wordfence handles responsible disclosure for our Holiday Bug Extravaganza! Register as a researcher and submit your vulnerabilities today!🎁 On November 24,...
Wordfence Intelligence Weekly WordPress Vulnerability Report (July 31, 2023 to August 6, 2023)
Last week, there were 29 vulnerabilities disclosed in 24 WordPress Plugins and no WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 18 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities ...
Wordfence Intelligence Weekly WordPress Vulnerability Report (February 9, 2026 to February 15, 2026)
Triple Threat Bug Bounty Challenge Hunt High Threat vulnerabilities and earn triple the incentives! Now through April 6, 2026 , earn three stacked bonuses on all valid submissions from our ' High Threat Vulnerabilities' list: 2x all high threat vulnerability bounties excluding 5,000,000+ installs...
PSA: Critical POP Chain Allowing Remote Code Execution Patched in WordPress 6.4.2
WordPress 6.4.2 was released today, on December 6, 2023. It includes a patch for a POP chain introduced in version 6.4 that, combined with a separate Object Injection vulnerability, could result in a Critical-Severity vulnerability allowing attackers to execute arbitrary PHP code on the site. We...
WebToffee Addresses Authentication Bypass Vulnerability in Stripe Payment Plugin for WooCommerce WordPress Plugin
On June 8, 2023, our Wordfence Threat Intelligence team identified and began the responsible disclosure process for an Authentication Bypass vulnerability in WebToffee’s Stripe Payment Plugin for WooCommerce plugin, which is actively installed on more than 10,000 WordPress websites. This...
Vulnerability in UpdraftPlus Allowed Subscribers to Download Sensitive Backups
Update: a previous version of this article indicated that an attacker would need to begin their attack when a backup was in progress, and would need to guess the appropriate timestamp to download a backup. Since the article was originally published, we have found that it is possible to obtain a...
Wordfence Intelligence Weekly WordPress Vulnerability Report (March 9, 2026 to March 15, 2026)
Last week, there were 116 vulnerabilities disclosed in 78 WordPress Plugins and 19 WordPress Themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 66 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities...
PSA: Unpatched Critical Privilege Escalation Vulnerability in Ultimate Member Plugin Being Actively Exploited
Today, on June 29, 2023, the Wordfence Threat Intelligence Team became aware of an unpatched privilege escalation vulnerability being actively exploited in Ultimate Member, a WordPress plugin installed on over 200,000 sites, through our vulnerability changelog monitoring we do to ensure the...
Eleven Vulnerabilities Patched in Royal Elementor Addons
On December 23, 2022, the Wordfence Threat Intelligence team initiated the responsible disclosure process for a set of 11 vulnerabilities in Royal Elementor Addons, a WordPress plugin with over 100,000 installations. The plugin developers responded on December 26, and we sent over the full...
Over 1 Million Sites Affected by Gutenberg Template Library & Redux Framework Vulnerabilities
On August 3, 2021, the Wordfence Threat Intelligence team initiated the disclosure process for two vulnerabilities we discovered in the Gutenberg Template Library & Redux Framework plugin, which is installed on over 1 million WordPress sites. One vulnerability allowed users with lower permissions...
Wordfence Intelligence Weekly WordPress Vulnerability Report (November 25, 2024 to December 1, 2024)
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...
Reflected XSS in Header Footer Code Manager
On February 15, 2022, the Wordfence Threat Intelligence team responsibly disclosed a reflected Cross-Site Scripting XSS vulnerability in Header Footer Code Manager, a WordPress plugin with over 300,000 installations. The plugin publisher quickly acknowledged our initial contact and we sent the fu...
Authentication Bypass Vulnerability Patched in User Registration Plugin
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 16, 2021 the Wordfence Threat Intelligence team initiated the responsible disclosure process for a vulnerability we discovered in...
Wordfence Intelligence Weekly WordPress Vulnerability Report (June 15, 2026 to June 21, 2026)
Last week, there were 168 vulnerabilities disclosed in 146 WordPress Plugins and 4 WordPress Themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 96 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities...
Wordfence Intelligence Weekly WordPress Vulnerability Report (March 23, 2026 to March 29, 2026)
Last week, there were 122 vulnerabilities disclosed in 90 WordPress Plugins and 22 WordPress Themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 46 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities...
Wordfence Intelligence Weekly WordPress Vulnerability Report (February 16, 2026 to February 22, 2026)
Triple Threat Bug Bounty Challenge Hunt High Threat vulnerabilities and earn triple the incentives! Now through April 6, 2026 , earn three stacked bonuses on all valid submissions from our 'High Threat Vulnerabilities' list: 2x all high threat vulnerability bounties excluding 5,000,000+ installs...
Wordfence Intelligence Weekly WordPress Vulnerability Report (June 2, 2025 to June 8, 2025)
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...
82,000 WordPress Sites Affected by Arbitrary File Upload Vulnerability in TheGem WordPress Theme
📢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 4th, 2025, we received a submission for an Arbitrary File Upload...
WordPress Security Research Series: WordPress Request Architecture and Hooks
Welcome to Part 1 of the WordPress Security Research Beginner Series! If you haven’t had a chance, please review the series introduction blog post for more details on the goal of this series and what to expect. Before diving into the security features of WordPress, its critical to understand the...
30,000 WordPress Sites affected by Arbitrary SQL Execution Vulnerability Patched in Visualizer 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 10th, 2024, during our second Bug Bounty Extravaganza, w...
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, ...
Over 40,000 WordPress Sites Affected by Privilege Escalation Vulnerability Patched in Post Grid and Gutenberg Blocks 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...
Empowering WordPress Bug Bounty Hunters: Meet the New Wordfence Bug Bounty Program Researcher Dashboard
Today, we are very excited to announce the launch of our brand-new researcher dashboard for the Wordfence Bug Bounty Program! One frequent request we received from our researchers was to have a way to manage and track all their vulnerability submissions in a single location, and we’re delivering...
Too Much Escaping Backfires, Allows Shortcode-Based XSS Vulnerability in Contact Form Entries 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...
Vulnerability Researchers: Check out The Critical Thinking Podcast
Today, The Wordfence Bug Bounty Program was featured on an episode of the Critical Thinking Podcast, a top resource and community for bug bounty researchers. Critical Thinking is a podcast focused on ethical hacking and security analysis and is described as a “by Hackers for Hackers podcast focus...
4 Million WordPress Sites affected by Stored Cross-Site Scripting Vulnerability in LiteSpeed Cache Plugin
On August 14, 2023, our Wordfence Threat Intelligence team identified and began the responsible disclosure process for a stored Cross-Site Scripting XSS vulnerability in LiteSpeed Cache plugin, which is actively installed on more than 4,000,000 WordPress websites, making it the most popular cache...
WPDeveloper Addresses Privilege Escalation Vulnerability in ReviewX WordPress Plugin
On May 20, 2023, our Wordfence Threat Intelligence team identified and began the responsible disclosure process for a Privilege Escalation vulnerability in WPDeveloper’s ReviewX plugin, which is actively installed on more than 10,000 WordPress websites. This vulnerability makes it possible for an...
15,000 WordPress Sites Affected by Administrator Account Creation Vulnerability in WP Maps Pro WordPress Plugin
On March 24th, 2026, we received a submission for an Unauthenticated Administrator Account Creation vulnerability in WP Maps Pro, a WordPress plugin with more than 15,000 sales. This vulnerability makes it possible for unauthenticated attackers to create new administrator accounts on the affected...
Wordfence Bug Bounty Program Monthly Report – January 2026
Last month in January 2026, the Wordfence Bug Bounty Program received 897 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 Wordfenc...
50,000 WordPress Sites Affected by PHP Object Injection Vulnerability in Uncanny Automator 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 26th, 2024, we received a submission for an authenticated PHP...
Wordfence Price Increases Coming December 5th, 2024
We haven't raised our prices in a relatively high inflation environment in 2 years, and in the case of Wordfence Care and Response, for 2.5 years. So that time has come, and we want to let our free and paid user community know ahead of time. We’re giving you almost a month forewarning before we...
Over 8,000 Exploit Attempts Already Blocked For Recently Patched Unauthenticated Arbitrary File Upload Vulnerability in 简数采集器 (Keydatas) WordPress Plugin
On June 18th, 2024, during the 0-day Threat Hunt Promo of our Bug Bounty Program, we received a submission for an Unauthenticated Arbitrary File Upload vulnerability in 简数采集器 Keydatas, a WordPress plugin with more than 5,000 active installations. This vulnerability makes it possible for...
$1,313 Bounty Awarded for Privilege Escalation Vulnerability Patched in RegistrationMagic 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 26th, 2024, during our second Bug Bounty Extravaganza...
Critical Vulnerabilities in PHP Everywhere Allow Remote Code Execution
On January 4, 2022, the Wordfence Threat Intelligence team began the responsible disclosure process for several Remote Code Execution vulnerabilities in PHP Everywhere, a WordPress plugin installed on over 30,000 websites. One of these vulnerabilities allowed any authenticated user of any level,...
High Severity Vulnerability Patched in Access Demo Importer Plugin
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 9, 2021, the Wordfence Threat Intelligence team attempted to initiate the responsible disclosure process for a vulnerability that we discovered in...
Quarterly WordPress Threat Intelligence Report – Q4 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 (June 16, 2025 to June 22, 2025)
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...
Wordfence Intelligence Weekly WordPress Vulnerability Report (April 7, 2025 to April 13, 2025)
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. Last week, there were 352 vulnerabilities disclosed in 310 WordPress...
Over 5,000,000 Site Owners Affected by Critical Privilege Escalation Vulnerability Patched in LiteSpeed Cache 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...