Wordfence Research and News
PSA: Update Now! Critical Authentication Bypass in WooCommerce Payments Allows Site Takeover
This post has been updated with additional information that has become available since its publication The Wordfence Threat Intelligence team regularly monitors plugin updates and reviews any indicating that a potential security issue may have been addressed. Today, March 23, 2023, we noticed that the “WooCommerce Payments – Fully Integrated Solution Built and Supported by …
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PSA: Intentionally Leaving Backdoors in Your Code Can Lead to Fines and Jail Time
In the cybersecurity field, we talk a lot about threat actors and vulnerable code, but what doesn’t get discussed enough is intentional vulnerabilities and becoming your own threat actor. Even when making decisions with the best of intentions, it is possible to work against your own best interests. One area we see this in comes …
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PSA: YITH WooCommerce Gift Cards Premium Plugin Exploited in the Wild
The Wordfence Threat Intelligence team has been tracking exploits targeting a Critical Severity Arbitrary File Upload vulnerability in YITH WooCommerce Gift Cards Premium, a plugin with over 50,000 installations according to the vendor. The vulnerability, reported by security researcher Dave Jong and publicly disclosed on November 22, 2022, impacts plugin versions up to and including …
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PSA: Zero-Day Vulnerability in WPGateway Actively Exploited in the Wild
On September 8, 2022, the Wordfence Threat Intelligence team became aware of an actively exploited zero-day vulnerability being used to add a malicious administrator user to sites running the WPGateway plugin. We released a firewall rule to Wordfence Premium, Wordfence Care, and Wordfence Response customers to block the exploit on the same day, September 8, …
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PSA: Nearly 5 Million Attacks Blocked Targeting 0-Day in BackupBuddy Plugin
Late evening, on September 6, 2022, the Wordfence Threat Intelligence team was alerted to the presence of a vulnerability being actively exploited in BackupBuddy, a WordPress plugin we estimate has around 140,000 active installations. This vulnerability makes it possible for unauthenticated users to download arbitrary files from the affected site which can include sensitive information. …
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PSA: Sudden Increase In Attacks On Modern WPBakery Page Builder Addons Vulnerability
The Wordfence Threat Intelligence team has been monitoring a sudden increase in attack attempts targeting Kaswara Modern WPBakery Page Builder Addons. This ongoing campaign is attempting to take advantage of an arbitrary file upload vulnerability, tracked as CVE-2021-24284, which has been previously disclosed and has not been patched on the now closed plugin. As the …
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PSA: Critical Vulnerability Patched in Ninja Forms WordPress Plugin
On June 16, 2022, the Wordfence Threat Intelligence team noticed a back-ported security update in Ninja Forms, a WordPress plugin with over one million active installations. As with all security updates in WordPress plugins and themes, our team analyzed the plugin to determine the exploitability and severity of the vulnerability that had been patched. We …
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Millions of Attacks Target Tatsu Builder Plugin
The Wordfence Threat Intelligence team has been tracking a large-scale attack against a Remote Code Execution vulnerability in Tatsu Builder, which is tracked by CVE-2021-25094 and was publicly disclosed on March 24, 2022 by an independent security researcher. The issue is present in vulnerable versions of both the free and premium Tatsu Builder plugin. Tatsu …
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Increase In Malware Sightings on GoDaddy Managed Hosting
Today, March 15, 2022, The Wordfence Incident Response team alerted our Threat Intelligence team to an increase in infected websites hosted on GoDaddy’s Managed WordPress service, which includes MediaTemple, tsoHost, 123Reg, Domain Factory, Heart Internet, and Host Europe Managed WordPress sites. These affected sites have a nearly identical backdoor prepended to the wp-config.php file. Of …
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Entering a Higher State of Vigilance – Ukraine Under Attack
It appears that Russia has just commenced the invasion of Ukraine. Check your preferred international news outlet, but according to the Ukrainian foreign minister “Putin has just launched a full-scale invasion of Ukraine.” Ukrainian airspace is closed with flights diverting. The Twitter Safety account just started tweeting in Ukrainian, giving users instructions on how to: …
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