Known vulnerabilities in Cal.com

Embed Cal.com booking calendar in WordPress with custom UI and admin widget support.

1Reported vulnerabilities

6.4Highest CVSS score

2.1.0Latest version

1,000+Active installs

What to do now

Update Cal.com to 2.0.0 or later. 1 of these have a fixed version available. Updating resolves them.

Plugin last updated: April 6, 2026 / Tested up to WordPress: 6.9.7 / 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-2025-31604	Medium 6.4	0.2%	1.0.0 and earlier	`2.0.0`	March 31, 2025

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