Known vulnerabilities in Joinchat – Enhanced “click to chat”

The most installed WordPress plugin for WhatsApp: a customizable floating button that turns your visitors into chats, leads and sales.

1Reported vulnerabilities

6.4Highest CVSS score

6.4.2Latest version

700,000+Active installs

What to do now

Update Joinchat – Enhanced “click to chat” to 6.4.2 or later. 1 of these have a fixed version available. Updating resolves them.

Plugin last updated: October 13, 2026 / Tested up to WordPress: 7.1.4 / 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-2026-118071	Medium 6.4	0.2%	6.3.2 to 6.4.1 (inclusive)	`6.4.2`	October 28, 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.