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Wordfence Research and News
Category: PSA
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PSA: Wordfence Brand Being Actively Used in Phishing Campaigns
Earlier this week we became aware that malicious actors are using Wordfence brand image to run a phishing scam on WordPress and Wordfence users, posing as unknown login notifications from their own website while linking to a fake login page, clearly aiming to steal WordPress login credentials. If you have received a suspicious email like …
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PSA: Unpatched Critical Privilege Escalation Vulnerability in Ultimate Member Plugin Being Actively Exploited
Today, on June 29, 2023, the Wordfence Threat Intelligence Team became aware of an unpatched privilege escalation vulnerability being actively exploited in Ultimate Member, a WordPress plugin installed on over 200,000 sites, through our vulnerability changelog monitoring we do to ensure the Wordfence Intelligence Vulnerability Database has the most up to date and accurate information. …
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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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