Known vulnerabilities in Kit (formerly ConvertKit) for WooCommerce

Integrates WooCommerce with Kit allowing customers to be automatically sent to your Kit account.

2Reported vulnerabilities

5.3Highest CVSS score

2.1.7Latest version

4,000+Active installs

What to do now

Update Kit (formerly ConvertKit) for WooCommerce to 2.2.1 or later. 2 of these have a fixed version available. Updating resolves them.

Plugin last updated: July 9, 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-2026-105421	Medium 5.3	0.2%	2.2.0 and earlier	`2.2.1`	October 5, 2026
CVE-2026-57753	Medium 5.3	0.3%	2.1.5 and earlier	`2.1.7`	July 2, 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.