Software intelligence
Important: Mailchimp Subscribe Sm appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works
Tracked advisories
7
Latest advisory
11 August 2026
CISA KEV matches
0
In this WordPress feed
WordPress slug
mailchimp-subscribe-sm
Plugin
This catalog lists 7 known advisories affecting Mailchimp Subscribe Sm. The most recent was published on 11 August 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.
MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder <= 4.3.3 - Unauthenticated Stored Cross-Site Scripting
May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Published 11 August 2026
MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder <= 4.3.3 - Unauthenticated Stored Cross-Site Scripting via Form Field Values
May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Published 31 July 2026
MailChimp Subscribe Forms <= 4.1 - Authenticated (Contributor+) Stored Cross-Site Scripting
May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Published 15 January 2025
Known Mailchimp Subscribe Sm advisories published by month.
CVE-2026-27536 · Published 11 August 2026
Affected versions: ≤ 4.3.3
CVE-2026-15052 · Published 31 July 2026
Affected versions: ≤ 4.3.3
CVE-2025-22727 · Published 15 January 2025
Affected versions: ≤ 4.1
CVE-2024-43211 · Published 9 August 2024
Affected versions: ≤ 4.0.9.7
CVE-2023-33328 · Published 22 May 2023
Affected versions: ≤ 4.0.9.1
CVE-2023-32517 · Published 10 May 2023
Affected versions: ≤ 4.0.9.3
No CVE assigned · Published 21 April 2015
Affected versions: < 1.2
SiteRespond Defence matches your installed Mailchimp Subscribe Sm version against this catalog when the Defence plugin is connected to your WordPress site.