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Introducing Wordfence CLI 3.0.1: Now With Automatic Remediation!
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,...
Wordfence Intelligence Weekly WordPress Vulnerability Report (January 8, 2024 to January 14, 2024)
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 67 vulnerabilities disclosed in 60 WordPress Plugins and no WordPress themes that have been added to the Wordfence...
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...
Wordfence Intelligence Weekly WordPress Vulnerability Report (January 1, 2024 to January 7, 2024)
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 85 vulnerabilities disclosed in 74 WordPress Plugins and 2 WordPress themes that have been added to the Wordfence...
Type Juggling Leads to Two Vulnerabilities in POST SMTP Mailer WordPress Plugin
On December 14th, 2023, during our Bug Bounty Program Holiday Bug Extravaganza, we received a submission for an Authorization Bypass vulnerability in POST SMTP Mailer, a WordPress plugin with over 300,000+ active installations. This vulnerability makes it possible for unauthenticated threat actor...
Wordfence Intelligence Weekly WordPress Vulnerability Report (December 18, 2023 to December 31, 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! Over the last two weeks, there were 263 vulnerabilities disclosed in 217 WordPress Plugins and 3 WordPress themes that have been added to the...
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...
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...
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,...
Wordfence Intelligence Weekly WordPress Vulnerability Report (December 4, 2023 to December 10, 2023)
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! Last week, there were...
Over 100 WordPress Repository Plugins Affected by Shortcode-based Stored Cross-Site Scripting
On August 14, 2023, the Wordfence Threat Intelligence team began a research project to find Stored Cross-Site Scripting XSS via Shortcode vulnerabilities in WordPress repository plugins. This type of vulnerability enables threat actors with contributor-level permissions or higher to inject...
Critical Unauthenticated Remote Code Execution Found in Backup Migration Plugin
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! The researcher who reported this vulnerability was awarded $2,751.00! Register as a...
PSA: High Severity File Upload Vulnerability in Elementor Patched
On December 6, 2023, the Wordfence team noticed a changelog entry for version 3.18.1 of Elementor, a WordPress plugin installed on nearly 9 million sites. We did not discover the original vulnerability and only became aware of it after reviewing the changelog containing a partial patch. We...
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...
Wordfence Intelligence Weekly WordPress Vulnerability Report (November 27, 2023 to December 3, 2023)
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! Last week, there were...
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...
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,...
PSA: Fake CVE-2023-45124 Phishing Scam Tricks Users Into Installing Backdoor Plugin
The Wordfence Threat Intelligence Team has recently been informed of a phishing campaign targeting WordPress users. The Phishing email claims to be from the WordPress team and warns of a Remote Code Execution vulnerability on the users site with an identifier of CVE-2023-45124, which is not...
Earn up to $10,000 for Vulnerabilities in WordPress Software – 6X Rewards in the Wordfence Holiday Bug Extravaganza!
At Wordfence our mission is to Secure The Web. WordPress powers over 40% of the Web, and Wordfence secures over 4 million WordPress websites. Today we are announcing that for the next 20 days, Wordfence will be paying out some of the highest bug bounties in the history of WordPress to help find...
Wordfence Intelligence Weekly WordPress Vulnerability Report (November 20, 2023 to November 26, 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 115 vulnerabilities disclosed in 87 WordPress Plugins and 1 WordPress themes that have been added to the Wordfence...
Wordfence Intelligence Weekly WordPress Vulnerability Report (November 13, 2023 to November 19, 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 126 vulnerabilities disclosed in 102 WordPress Plugins and 2 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...
Wordfence Intelligence Weekly WordPress Vulnerability Report (November 6, 2023 to November 12, 2023)
Wordfence just launched its bug bounty program. Over the next 6 months, all awarded bounties receive a 10% bonus. View the announcement to learn more now! Please note there was a minor error in the heading of the email, and this report only runs from November 6th to November 12th. Last week, ther...
Fostering Innovation in Web Security
Ive always created growth by focusing on free. It started back in 2003 when I launched WorkZoo in London. WorkZoo was a job search engine that ended up being one of Time Magazines top 50 websites of 2005. These days we take free search capability for granted, but 20 years ago, before Nginx came...
Wordfence Intelligence Weekly WordPress Vulnerability Report (October 30, 2023 to November 5, 2023)
Wordfence just launched its bug bounty program. Over the next 6 months, all awarded bounties receive a 10% bonus. View the announcement to learn more now! Last week, there were 79 vulnerabilities disclosed in 64 WordPress Plugins and no WordPress themes that have been added to the Wordfence...
Wordfence Launches Bug Bounty Program to Fund WordPress Security Research and Showcase Researchers
At Defiant Inc and Wordfence, our mission is to Secure the Web. A critical component of creating and maintaining a secure online community is the research that reveals vulnerabilities in software. Without this research, only malicious hackers would find vulnerabilities, and they would quietly...
Wordfence Intelligence Weekly WordPress Vulnerability Report (October 23, 2023 to October 29, 2023)
Last week, there were 109 vulnerabilities disclosed in 102 WordPress Plugins and no WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 37 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilitie...
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...
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...
Wordfence Intelligence Weekly WordPress Vulnerability Report (October 16, 2023 to October 22, 2023)
Last week, there were 109 vulnerabilities disclosed in 95 WordPress Plugins and 1 WordPress theme that have been added to the Wordfence Intelligence Vulnerability Database, and there were 39 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities i...
Several Critical Vulnerabilities Patched in AI ChatBot Plugin for WordPress
On September 28, 2023, the Wordfence Threat Intelligence team initiated the responsible disclosure process for multiple vulnerabilities in AI ChatBot, a WordPress plugin with over 4,000 active installations. After making our initial contact attempt on September 28th, 2023, we received a response ...
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...
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...
Wordfence Intelligence Weekly WordPress Vulnerability Report (October 9, 2023 to October 15, 2023)
Last week, there were 103 vulnerabilities disclosed in 85 WordPress Plugins and no WordPress themes, with 7 of those being in WordPress Core, that have been added to the Wordfence Intelligence Vulnerability Database, and there were 46 Vulnerability Researchers that contributed to WordPress Securi...
PSA: Critical Unauthenticated Arbitrary File Upload Vulnerability in Royal Elementor Addons and Templates Being Actively Exploited
Update: Wordfence has released a malware detection signature for wp.ph$p to Wordfence Premium, Wordfence Care, Wordfence Response, and the paid tiers of Wordfence CLI as of Monday, October 16, 2023. Today, on October 13, 2023, the Wordfence Threat Intelligence Team became aware of a vulnerability...
WordPress 6.3.2 Security Release – What You Need to Know
WordPress Core 6.3.2 was released today, on October 12, 2023. It includes a number of security fixes and additional hardening against commonly exploited vulnerabilities. While all of the vulnerabilities are of Medium severity, several of them are impactful enough to potentially allow site takeove...
Wordfence Intelligence Weekly WordPress Vulnerability Report (October 2, 2023 to October 8, 2023)
Last week, there were 92 vulnerabilities disclosed in 88 WordPress Plugins and no WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 37 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities ...
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...
Wordfence Intelligence Weekly WordPress Vulnerability Report (September 25, 2023 to October 1, 2023)
Last week, there were 90 vulnerabilities disclosed in 68 WordPress Plugins and no WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 31 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities ...
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 ...
Wordfence Intelligence Weekly WordPress Vulnerability Report (September 18, 2023 to September 24, 2023)
Last week, there were 42 vulnerabilities disclosed in 37 WordPress Plugins and no WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 10 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities ...
Wordfence Intelligence Weekly WordPress Vulnerability Report (September 11, 2023 to September 17, 2023)
Last week, there were 55 vulnerabilities disclosed in 46 WordPress Plugins and no WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 15 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities ...
Two PHP Object Injection Vulnerabilities Fixed in Essential Blocks
On August 18, 2023, the Wordfence Threat Intelligence team initiated the responsible disclosure process for two PHP Object Injection vulnerabilities in the Essential Blocks plugin for WordPress, a plugin with over 100,000 installations. We received a response three days later and sent over our fu...
Wordfence Intelligence Weekly WordPress Vulnerability Report (September 4, 2023 to September 10, 2023)
Last week, there were 107 vulnerabilities disclosed in 89 WordPress Plugins and 5 WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 36 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities ...
Malware Scanning: An Essential Layer of Website Security
Wordfence recently launched Wordfence CLI, a high performance command line malware scanner, which makes use of our extensive set of malware detection signatures to rapidly scan file systems for infections. In recent years, the WordPress community has seen a shift in emphasis towards prevention,...
Over 100,000 WordPress Websites Affected by XSS and SQLi Vulnerabilities in Slimstat Analytics Plugin
On August 24, 2023, our Wordfence Threat Intelligence team identified and began the responsible disclosure process for a stored Cross-Site Scripting XSS and a Blind SQL Injection vulnerability in the Slimstat Analytics plugin, which is actively installed on more than 100,000 WordPress websites. T...
Wordfence Intelligence Weekly WordPress Vulnerability Report (August 28, 2023 to September 3, 2023)
Last week, there were 64 vulnerabilities disclosed in 61 WordPress Plugins and 2 WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 32 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities i...
Stored Cross-Site Scripting Vulnerability Patched in Newsletter WordPress Plugin
On August 16, 2023, our Wordfence Threat Intelligence team identified and began the responsible disclosure process for a stored Cross-Site Scripting XSS vulnerability in the Newsletter plugin, which is actively installed on more than 300,000 WordPress websites. The vulnerability enables threat...
Wordfence Intelligence Weekly WordPress Vulnerability Report (August 21, 2023 to August 27, 2023)
Last week, there were 43 vulnerabilities disclosed in 38 WordPress Plugins and no WordPress themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 23 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities ...
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...