WP Mail SMTP by WPForms – The Most Popular SMTP and Email Log Plugin

WordPress plugin · wp-mail-smtp · WordPress.org ↗

Latest v4.9.0 Last release Jun 25, 2026 Tested up to WP 7.0.5 4,000,000+ active installs

Critical

High

Known total

Unfixed

Running WP Mail SMTP by WPForms – The Most Popular SMTP and Email Log Plugin on your site? WP Alerts checks your installed version against every entry below and emails you only when one affects you. Free, no tracking.

Scan a site Monitor my sites →

Severity	Vulnerability	Affected	Fixed in	CVE	Published
LOW CVSS 2.7	WP Mail SMTP by WPForms – The Most Popular SMTP and Email Log Plugin [wp-mail-smtp] < 4.1.0 WPVulnerability	< 4.1.0	v4.1.0	CVE-2024-6694	Jul 19, 2024
UNKNOWN	WP Mail SMTP by WPForms – The Most Popular SMTP and Email Log Plugin [wp-mail-smtp] < 1.4.0 WPVulnerability	< 1.4.0	v1.4.0	—	Dec 7, 2018
UNKNOWN	WP Mail SMTP by WPForms – The Most Popular SMTP and Email Log Plugin [wp-mail-smtp] < 1.4.0 WPVulnerability	< 1.4.0	v1.4.0	—	Sep 19, 2018
UNKNOWN	WP Mail SMTP by WPForms – The Most Popular SMTP and Email Log Plugin [wp-mail-smtp] < 1.4.0 WPVulnerability	< 1.4.0	v1.4.0	—	—

Data aggregated from WPVulnerability, NVD/NIST, ENISA EUVD, CVE.org and WordPress.org. Provided as-is; verify with the plugin author before acting. Disclaimer.