Integration for Contact Form 7 HubSpot <= 1.2.8 - Open Redirect via state parameter

URL Redirection to Untrusted Site ('Open Redirect')
CVE CVE-2023-31095
CVSS 4.3 (Medium)
Publicly Published April 26, 2023
Last Updated April 27, 2023
Researcher Le Ngoc Anh


Integration for Contact Form 7 HubSpot is vulnerable to Open Redirects in versions up to, and including, 1.2.8. This is due to insufficient validation on the redirect url supplied via the 'state' parameter. This makes it possible for unauthenticated attackers to redirect users to potentially malicious sites if they can successfully trick them into performing an action.



1 affected software package

Software Type Plugin
Software Slug cf7-hubspot (view on
Patched? Yes
Remediation Update to version 1.2.9, or a newer patched version
Affected Version
  • <= 1.2.8
Patched Version
  • 1.2.9

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