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Category Archive: Vulnerabilities

Wordfence Blog

High Severity Vulnerabilities in PageLayer Plugin Affect Over 200,000 WordPress Sites

This entry was posted in Research, Vulnerabilities, WordPress Security on May 28, 2020 by Chloe Chamberland   0 Replies

A few weeks ago, our Threat Intelligence team discovered several vulnerabilities present in Page Builder: PageLayer – Drag and Drop website builder, a WordPress plugin actively installed on over 200,000 sites. The plugin is from the same creators as wpCentral, a plugin within which we recently discovered a privilege escalation vulnerability. One flaw allowed any …
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The Elementor Attacks: How Creative Hackers Combined Vulnerabilities to Take Over WordPress Sites

This entry was posted in Research, Vulnerabilities, WordPress Security on May 19, 2020 by Chloe Chamberland   4 Replies

On May 6, our Threat Intelligence team was alerted to a zero-day vulnerability present in Elementor Pro, a WordPress plugin installed on approximately 1 million sites. That vulnerability was being exploited in conjunction with another vulnerability found in Ultimate Addons for Elementor, a WordPress plugin installed on approximately 110,000 sites. We immediately released a firewall …
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Vulnerability in Google WordPress Plugin Grants Attacker Search Console Access

This entry was posted in Research, Vulnerabilities, WordPress Security on May 13, 2020 by Chloe Chamberland   0 Replies

On April 21st, our Threat Intelligence team discovered a vulnerability in Site Kit by Google, a WordPress plugin installed on over 300,000 sites. This flaw allows any authenticated user, regardless of capability, to become a Google Search Console owner for any site running the Site Kit by Google plugin. We filed a security issue report …
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One Attacker Outpaces All Others

This entry was posted in Vulnerabilities, WordPress Security on May 13, 2020 by Ram Gall   32 Replies

Starting April 28th, we saw a 30 times increase in cross site scripting attack volume, originating from a single attacker, and targeting over a million WordPress sites. We published research detailing the threat actor and attack volume increase on May 5th. By the time we published, the attack volume had dropped back down to baseline …
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Vulnerabilities Patched in Page Builder by SiteOrigin Affects Over 1 Million Sites

This entry was posted in Vulnerabilities, Wordfence, WordPress Security on May 11, 2020 by Chloe Chamberland   5 Replies

On Monday, May 4, 2020, the Wordfence Threat Intelligence team discovered two vulnerabilities present in Page Builder by SiteOrigin, a WordPress plugin actively installed on over 1,000,000 sites. Both of these flaws allow attackers to forge requests on behalf of a site administrator and execute malicious code in the administrator’s browser. The attacker needs to …
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Combined Attack on Elementor Pro and Ultimate Addons for Elementor Puts 1 Million Sites at Risk

This entry was posted in Vulnerabilities, WordPress Security on May 06, 2020 by Chloe Chamberland   63 Replies

On May 6, 2020, our Threat Intelligence team received reports of active exploitation of vulnerabilities in two related plugins, Elementor Pro and Ultimate Addons for Elementor. We have reviewed the log files of compromised sites to confirm this activity. As this is an active attack, we wanted to alert you so that you can take …
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Unpacking The 7 Vulnerabilities Fixed in Today’s WordPress 5.4.1 Security Update

This entry was posted in Vulnerabilities, WordPress Security on April 29, 2020 by Ram Gall   0 Replies

WordPress Core version 5.4.1 has just been released. Since this release is marked as a combined security and bug fix update, we recommend updating as soon as possible. With that said, most of the security fixes themselves are for vulnerabilities that appear to require specific circumstances to exploit. All in all this release contains 7 …
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High Severity Vulnerability Patched in Ninja Forms

This entry was posted in Research, Vulnerabilities, WordPress Security on April 29, 2020 by Ram Gall   3 Replies

On April 27, 2020, the Wordfence Threat Intelligence team discovered a Cross-Site Request Forgery(CSRF) vulnerability in Ninja Forms, a WordPress plugin with over 1 million installations. This vulnerability could allow an attacker to trick an administrator into importing a contact form containing malicious JavaScript and replace any existing contact form with the malicious version. We …
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High-Severity Vulnerabilities Patched in LearnPress

This entry was posted in Vulnerabilities, WordPress Security on April 28, 2020 by Ram Gall   3 Replies

On March 16, 2020, LearnPress – WordPress LMS Plugin, a WordPress plugin with over 80,000 installations, patched a high-severity vulnerability that allowed subscriber-level users to elevate their permissions to those of an “LP Instructor”, a custom role with capabilities similar to the WordPress “author” role, including the ability to upload files and create posts containing …
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High Severity Vulnerability Patched in Real-Time Find and Replace Plugin

This entry was posted in Research, Vulnerabilities, WordPress Security on April 27, 2020 by Chloe Chamberland   0 Replies

On April 22, 2020, our Threat Intelligence team discovered a vulnerability in Real-Time Find and Replace, a WordPress plugin installed on over 100,000 sites. This flaw could allow any user to inject malicious Javascript anywhere on a site if they could trick a site’s administrator into performing an action, like clicking on a link in …
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