Known vulnerabilities in ICS Calendar

Add the calendar you already use to any WordPress site! Google Calendar, Microsoft 365, iCloud and more… no API keys or complicated setup required.

3Reported vulnerabilities

7.2Highest CVSS score

12.1.3.1Latest version

10,000+Active installs

What to do now

Update ICS Calendar to 12.0.9.2 or later. 3 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 4, 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-2026-59516	High 7.2	0.3%	12.1.1 and earlier	`12.1.1.1`	July 10, 2026
CVE-2023-46784	Medium 6.5	0.5%	Before 10.12.0.2	`10.12.0.2`	October 23, 2023
CVE-2026-9838	Medium 6.1	0.5%	0 to 12.0.9 (inclusive)	`12.0.9.2`	July 10, 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.