WordPress High · CVSS 8.1 CVE-2026-2554 May 2, 2026

WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible: security vulnerability

WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible

Security vulnerability in the WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible component. Threat level: High (CVSS 8.1).

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Who is affected

This vulnerability affects: WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible. If you use this component on your site, check the version and update it as soon as possible.

How dangerous

Rating: High, CVSS 8.1 out of 10. It is worth acting before the flaw is exploited.

What this flaw is

This is a security vulnerability in one of the site components. Full technical details are described in the source NVD entry, linked below.

Even seemingly lower-priority flaws are often chained into attacks, so it is not worth delaying the update of the vulnerable component.

Score breakdown (CVSS vector)

What the CVSS 8.1 rating means in practice:

  • The attack can be carried out remotely, over the internet.
  • Requires an ordinary, low-privileged account.
  • Requires no action from the victim.
  • At risk: integrity (data can be altered), site availability.

Weakness class: CWE-639.

What to do

  • Update the vulnerable component (WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible) to the latest version.
  • If a patch is not out yet, temporarily disable the vulnerable element.
  • Check whether the site has already been attacked: unusual files, new administrator accounts, redirects.
  • Make a backup before you start making changes.
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