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

mailchimp-subscribe-sm

Vulnerabilities:

6

Last Updated:

July 29, 2026

Active Installs:

2000

Published
Title
Fixed in
CVSS
Published
2026-08-11
Title
MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder < 4.3.4 - Unauthenticated Stored Cross-Site Scripting
Fixed in
Fixed in 4.3.4
CVSS
7.2 (high)
Published
2026-07-31
Title
MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder < 4.3.4 - Unauthenticated Stored Cross-Site Scripting via Form Field Values
Fixed in
Fixed in 4.3.4
CVSS
7.2 (high)
Published
2025-01-15
Title
MailChimp Subscribe Forms < 4.2 - Authenticated (Contributor+) Stored Cross-Site Scripting
Fixed in
Fixed in 4.2
CVSS
6.4 (medium)
Published
2024-08-09
Title
MailChimp Subscribe Forms < 4.0.9.8 - Editor+ Stored XSS
Fixed in
Fixed in 4.0.9.8
CVSS
3.5 (low)
Published
2023-05-22
Title
MailChimp Subscribe Forms < 4.0.9.2 - Admin+ Stored XSS
Fixed in
Fixed in 4.0.9.2
CVSS
3.5 (low)
Published
2015-04-21
Title
MailChimp Subscribe Form <= 1.1 - Email Field Remote PHP Code Execution
Fixed in
Fixed in 1.2
CVSS
n/a