Known vulnerabilities in Subscribe Forms – Beautiful Email Forms, Embedded Newsletter Forms & MailChimp Form

Use Subscribe Forms to grow your email subscriber lists with Subscribe Forms built-in email forms templates and integrations 📧

1Reported vulnerabilities

6.4Highest CVSS score

1.6.3Latest version

2,000+Active installs

What to do now

Update Subscribe Forms – Beautiful Email Forms, Embedded Newsletter Forms & MailChimp Form to 1.6.3 or later. 1 of these have a fixed version available. Updating resolves them.

Plugin last updated: September 16, 2026 / Tested up to WordPress: 7.1.2 / 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-2026-91073	Medium 6.4	0.2%	1.4.1 to 1.6.2 (inclusive)	`1.6.3`	September 21, 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.