Known vulnerabilities in Better Chat Support for Messenger

Add a Facebook Messenger chat button to WordPress — floating chat bubble, pre-filled messages, availability hours, and built-in analytics.

1Reported vulnerabilities

5.3Highest CVSS score

2.3.2Latest version

1,000+Active installs

What to do now

Update Better Chat Support for Messenger to 1.2.19 or later. 1 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-2025-66113	Medium 5.3	0.2%	1.2.18 and earlier	`1.2.19`	November 20, 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.