CVE-2023-32517

WordPress MailChimp Subscribe Forms Plugin <= 4.0.9.3 is vulnerable to Open Redirection

Published Dec 29, 2023 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed

Description

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in PluginOps MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder.This issue affects MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder: from n/a through 4.0.9.3.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

PluginOps

MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder

unaffected

Version	Status	Constraints
`n/a`	affected	≤ 4.0.9.3

Configuration 1 [-]

cpe:2.3:a:ibericode:mailchimp:*:*:*:*:*:wordpress:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Update to 4.0.9.4 or a higher version.

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2023-36761	URL Redirection to Untrusted Site ('Open Redirect') vulnerability in PluginOps MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder.This issue affects MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder: from n/a through 4.0.9.3.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.376% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://patchstack.com/database/vulnerability/mailchimp-subscribe-sm/wordpress-mailchimp-subscribe-forms-plugin-4-0-9-1-open-redirection-vulnerability?_s_id=cve

History

Apr 28, 2026 6:30 PM Description updated View changes

Type	Values Removed	Values Added
Description	URL Redirection to Untrusted Site ('Open Redirect') vulnerability in PluginOps MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder.This issue affects MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder: from n/a through 4.0.9.3.	URL Redirection to Untrusted Site ('Open Redirect') vulnerability in PluginOps MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder.This issue affects MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder: from n/a through 4.0.9.3.