Known vulnerabilities in GoSMTP – SMTP for WordPress

Send emails from your WordPress site using your preferred SMTP provider like Gmail, Outlook, AWS, Zoho, SMTP.com, Brevo (formerly Sendinblue), Mailgun …

1Reported vulnerabilities

6.3Highest CVSS score

1.2.5Latest version

500,000+Active installs

What to do now

Update GoSMTP – SMTP for WordPress to 1.2.5 or later. 1 of these have a fixed version available. Updating resolves them.

Plugin last updated: October 21, 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-2026-111577	Medium 6.3	0.1%	Before 1.2.5	`1.2.5`	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.