Known vulnerabilities in Microsoft Clarity

How do you make your website great? Clarity can help you quickly see what's working on your site and where people get stuck.

1Reported vulnerabilities

5.4Highest CVSS score

0.10.27Latest version

200,000+Active installs

What to do now

Update Microsoft Clarity to 0.4 or later. 1 of these have a fixed version available. Updating resolves them.

Plugin last updated: July 21, 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-2021-33850	Medium 5.4	1.5%	0.3 and earlier	`0.4`	October 18, 2021

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