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Input validation vulnerability in MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder 4.0.9.1

  • Severity: medium-risk
  • Status: Open
  • Publication: May 10, 2023

The MailChimp Subscribe Forms plugin for WordPress is vulnerable to Open Redirect in some versions. This means that an unauthenticated attacker can take advantage of the vulnerability to redirect users to unknown websites, where they may be tricked into giving away personal information. The issue is related to the application not properly checking user-supplied input, making it easy for attackers to exploit the vulnerability.

Detected in:

MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder open vulnerable versions: >= * <= 4.0.9.3

This information is sourced from www.wpvulnerability.com. An open-source database of vulnerabilities maintained by the community. Help us out by submitting vulnerabilities!

Version compare shows which versions have a vulnerability. For example: >= 2.2.8 <= 2.2.21 means:

> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21

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