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Category: Research
Top Five Attacking IPs
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Top Five Attacking IPs This Month: Their Locations May Not Be Where You Think

At Wordfence, we see large amounts of threat actor data, and often that data tells unexpected stories. Taking a look at just the top five attacking IP addresses over a 30 day period, you might be surprised to find out where these attacks are originating, and what they are doing. When most people hear about …
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security vulnerability download manager plugin

Cross-Site Scripting Vulnerability In Download Manager Plugin

On May 30, 2022, Security Researcher Rafie Muhammad reported a reflected Cross-Site Scripting (XSS) vulnerability to us that they discovered in Download Manager, a WordPress plugin installed on over 100,000 sites. On request, we assigned a vulnerability identifier of CVE-2022-1985. All Wordfence users, including Free, Premium, Care, and Response, are protected from exploits targeting this …
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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 that allowed any user to become an administrator. The plugin developers quickly replied …
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PHP Object Injection Vulnerability in Booking Calendar Plugin

On April 18, 2022, the Wordfence Threat Intelligence team initiated the responsible disclosure process for an Object Injection vulnerability in the Booking Calendar plugin for WordPress, which has over 60,000 installations. We received a response the same day and sent over our full disclosure early the next day, on April 19, 2022. A patched version …
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Critical Remote Code Execution Vulnerability in Elementor

On March 29, 2022, the Wordfence Threat Intelligence team initiated the disclosure process for a critical vulnerability in the Elementor plugin that allowed any authenticated user to upload arbitrary PHP code. Elementor is one of the most popular WordPress plugins and is installed on over 5 million websites. We sent our disclosure to the official …
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Critical Authentication Bypass Vulnerability Patched in SiteGround Security Plugin

On March 10, 2022 the Wordfence Threat Intelligence team initiated the responsible disclosure process for a vulnerability we discovered in “SiteGround Security”, a WordPress plugin that is installed on over 400,000 sites. This flaw makes it possible for attackers to gain administrative user access on vulnerable sites when two-factor authentication (2FA) is enabled but not …
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Reflected XSS in Spam protection, AntiSpam, FireWall by CleanTalk

Update – after this article was published, Denis Shagimuratov of CleanTalk reached out to us on Twitter. It appears that they didn’t receive our disclosure because our contact at the company was no longer the correct recipient for this type of issue. On February 15, 2022, the Wordfence Threat Intelligence team finished research on two …
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Ukraine Universities Hacked As Russian Invasion Started

Note: This article has been updated to reflect that the hosting provider “Njalla”, which routed the malicious traffic involved in this attack, is based in Sweden, not in Finland, although IP geolocation data indicates that the specific server that the traffic transited may be based in Finland. We have also updated the post title to …
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Stored Cross-Site Scripting Vulnerability Patched in a WordPress Photo Gallery Plugin

On November 11, 2021 the Wordfence Threat Intelligence team initiated the responsible disclosure process for a vulnerability we discovered in “Photoswipe Masonry Gallery”, a WordPress plugin that is installed on over 10,000 sites. This flaw makes it possible for an authenticated attacker to inject malicious JavaScript that executes whenever a site administrator accesses the PhotoSwipe …
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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 full disclosure details the same day, on February 15, 2022. A patched version, 1.1.17, …
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