The Wordfence Threat Intelligence Team was notified on June 11th, 2026 of a potential supply chain compromise affecting ShapedPlugin, a WordPress plugin vendor with over 400,000 active free plugin installations. Fortunately, Wordfence customers have already had malware signature detection for the particular backdoor used in this attack.
WordPress 6.4.2 was released today, on December 6, 2023. It includes a patch for a POP chain introduced in version 6.4 that, combined with a separate Object Injection vulnerability, could result in a Critical-Severity vulnerability allowing attackers to execute arbitrary PHP code on the site.
Update: Wordfence has released a malware detection signature for wp.ph$p to Wordfence Premium, Wordfence Care, Wordfence Response, and the paid tiers of Wordfence CLI as of Monday, October 16, 2023.
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.
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.
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.
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.
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.
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.
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