Wordfence Argus Finds Unauthenticated Arbitrary File Upload Vulnerability in Gravity Forms

On August 9th, 2026, Wordfence Argus, created by the Wordfence Threat Intelligence team, discovered an Arbitrary File Upload vulnerability in Gravity Forms, a WordPress plugin estimated to have more than one million active installations. This high-severity vulnerability makes it possible for unauthenticated threat actors to write files with attacker-selected extensions to a public temporary upload … Read more

5 Million WordPress Sites Affected by SQL Injection Vulnerability in All-in-One WP Migration and Backup WordPress Plugin

On August 14th, 2026, we received a submission for an Unauthenticated Second-Order SQL Injection vulnerability in All-in-One WP Migration and Backup, a WordPress plugin with more than 5 million active installations. This vulnerability makes it possible for unauthenticated attackers to inject SQL that is later executed when a site administrator performs an archive restore, which … Read more

Wordfence Argus Finds Critical Authentication Bypass in WPMU DEV Dashboard Plugin

On August 19th, 2026, during internal research, I discovered an Authentication Bypass vulnerability in WPMU DEV Dashboard, a WordPress plugin with an estimated 350,000 active installations. This vulnerability makes it possible for unauthenticated attackers to gain administrator access when Hub Single-Sign On is enabled. This can lead to complete site takeover and, when an administrator-accessible … Read more