CF7 to Webhook <= 5.0.0 - Unauthenticated Server-Side Request Forgery via CF7 Field Placeholder in Webhook URL Host

7.2
Server-Side Request Forgery (SSRF)
CVE CVE-2026-11395
CVSS 7.2 (High)
Publicly Published June 17, 2026
Last Updated June 18, 2026
Researcher Lucius-log

Description

The CF7 to Webhook plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 5.0.0 via the pull_the_trigger. This makes it possible for unauthenticated attackers to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services. Exploitation requires that the admin-configured webhook URL contains a Contact Form 7 field placeholder in the host segment of the URL, and that the affected form is publicly accessible.

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Vulnerability Details for CF7 to Webhook

Software Type Plugin
Software Slug cf7-to-zapier (view on wordpress.org)
Patched? Yes
Remediation Update to version 5.0.1, or a newer patched version
Affected Version
  • <= 5.0.0
Patched Version
  • 5.0.1

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