Security Advisory: Critical WordPress Vulnerability - "Click2Shell"

Incident Report for Nexcess Server Status

Investigating

WordPress has identified a critical security vulnerability designated as "Click2Shell" affecting all WordPress versions prior to 7.1.1. This vulnerability can enable unauthenticated Remote Code Execution (RCE) when a logged-in administrator visits a specially crafted link.
Current Status & Hosting Actions

Our engineering team is currently assessing our entire hosting fleet and determining next steps.

There are currently no known workarounds for this vulnerability other than upgrading to the latest version of WordPress.

Recommended Action for Customers

We strongly advise all customers managing WordPress installations to review their environments immediately and update to WordPress version 7.1.1.

We will continue to monitor the situation closely and provide further updates as new information becomes available.

Posted Sep 22, 2026 - 16:13 EDT