Critical PHP Vulnerability Affecting WordPress: Here’s What You Need to Know

Oct 22, 2026 | General

Online Growth Group | Critical PHP Update

A critical PHP security vulnerability has recently been disclosed that affects WordPress websites worldwide. If you own or manage a WordPress site, it’s essential to understand how this might impact you.

Depending on your hosting provider, here is the current status and what you need to know:

For Kinsta Hosting Clients

Most updates are already complete, and some PHP versions are currently in progress. No action is needed on your part. You can track the live status here: PHP Security Vulnerability Update

For Flywheel Hosting Clients

WP Engine has successfully finished deploying security patches for these two critical PHP vulnerabilities on the Flywheel platform. The patch has been applied to your PHP version, and no action is needed from you. If you have questions, you can reach out to support or view their status page: PHP Security Update

For Clients on Other Hosts

Please reach out to the person or team who set up your hosting and ask them to verify that your server is secure against this vulnerability. You will need to confirm whether they are actively progressing with a solution or if it has already been resolved. Most modern hosting providers are addressing this, however best to double check.

OGG

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