MailChimp Subscribe Forms <= - Open Redirect

URL Redirection to Untrusted Site ('Open Redirect')
CVE CVE-2023-32517
CVSS 6.1 (Medium)
Publicly Published May 10, 2023
Last Updated August 8, 2023
Researcher minhtuanact


The MailChimp Subscribe Forms plugin for WordPress is vulnerable to Open Redirect in versions up to, and including, This is due to the application failing to properly verify a user-supplied input parameter. This makes it possible for unauthenticated attackers to exploit this issue and redirect users to arbitrary web sites and conduct phishing attacks; other attacks are also possible.



Vulnerability Details for MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder

Software Type Plugin
Software Slug mailchimp-subscribe-sm (view on
Patched? Yes
Remediation Update to version, or a newer patched version
Affected Version
  • <=
Patched Version

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