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...

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...

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. ...

2021 Mid-Year WordPress Security Report: A Collaboration Between Wordfence and WPScan

Wordfence has collaborated with WPScan to conduct a 2021 mid-year review on the state of WordPress security. Using attack data from Wordfence’s internal threat intelligence platform, and vulnerability data from WPScan’s vulnerability database, we were able to analyze the current trend of attacks ...

Multiple Vulnerabilities Patched in WordPress Download Manager

On May 4, 2021, the Wordfence Threat Intelligence Team initiated the responsible disclosure process for WordPress Download Manager, a WordPress plugin installed on over 100,000 sites. We found two separate vulnerabilities, including a sensitive information disclosure as well as a file upload...

You’ve Found a Vulnerability! Now What? A Guide to Responsible Disclosure.

Information security researchers make a valuable contribution to our online security by finding vulnerabilities and facilitating getting them fixed. Wordfence has been finding and disclosing vulnerabilities in WordPress core, WordPress plugins, and WordPress themes since 2011. Our research has...

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...

Episode 125: Critical SQL Injection Vulnerability Patched in WooCommerce

A critical SQL injection vulnerability was discovered in WooCommerce, the most popular e-Commerce plugin used by over 5 million WordPress sites. The WordPress.org team pushed a forced security update ensuring that over 90 versions of WooCommerce were patched. The REvil ransomware gang targeted a...

Critical SQL Injection Vulnerability Patched in WooCommerce

Update: The article originally credited Tommy DeVoss dawgyg for the discovery. Weve since been contacted by Tommy, who let us know that the credit should go to another researcher, Josh from DOS Development Operations Security On July 14, 2021, WooCommerce released an emergency patch for a SQL...

Common WordPress Vulnerabilities and Prevention Through Secure Coding Best Practices

WordPress has experienced exponential growth in the past several years and now holds over 42% of the CMS market share for all major sites. There are over 50,000 plugins available to download in the WordPress repository. That does not include the thousands of premium or open source plugins availab...

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...