Known vulnerabilities in Calendar.online / Kalender.digital – Plugin

Plugin for the integration of a free calendar from Calendar.online or Kalender.digital

2Reported vulnerabilities

6.4Highest CVSS score

1.0.14Latest version

2,000+Active installs

What to do now

Update Calendar.online / Kalender.digital – Plugin to 1.0.14 or later. 2 of these have a fixed version available. Updating resolves them.

Plugin last updated: July 17, 2026 / Tested up to WordPress: 7.1 / 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-2024-38678	Medium 6.4	0.3%	1.0.8 and earlier	`1.0.9`	July 10, 2024
CVE-2025-62752	Medium 6.4	0.2%	1.0.13 and earlier	`1.0.14`	December 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.