Known vulnerabilities in Constant Contact Forms by MailMunch

The #1 Constant Contact plugin to get more email subscribers. Easily add Constant Contact sign-up forms as popup, embedded widget or sticky top bar.

3Reported vulnerabilities

6.4Highest CVSS score

2.1.7Latest version

2,000+Active installs

What to do now

Update Constant Contact Forms by MailMunch to 2.1.3 or later. 3 of these have a fixed version available. Updating resolves them.

Plugin last updated: July 2, 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-2024-22137	Medium 6.4	0.3%	2.0.11 and earlier	`2.1.0`	January 10, 2024
CVE-2024-9614	Medium 6.1	0.5%	Before 2.1.3	`2.1.3`	November 13, 2024
CVE-2023-45647	Medium 4.3	0.2%	2.0.10 and earlier	`2.0.11`	October 12, 2023

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