Known vulnerabilities in Mailchimp List Subscribe Form

Add a Mailchimp signup form block, widget, or shortcode to your WordPress site.

1Reported vulnerabilities

4.3Highest CVSS score

2.1.0Latest version

60,000+Active installs

What to do now

Update Mailchimp List Subscribe Form to 2.0.1 or later. 1 of these have a fixed version available. Updating resolves them.

Plugin last updated: June 3, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2025-12172	Medium 4.3	0.1%	2.0.0 and earlier	`2.0.1`	February 18, 2026

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.