Known vulnerabilities in SMTP2GO for WordPress – Email Made Easy

Resolve email delivery issues, increase inbox placement, track sent email, get 24/7 support, and real-time reporting.

3Reported vulnerabilities

4.4Highest CVSS score

1.17.0Latest version

30,000+Active installs

What to do now

Update SMTP2GO for WordPress – Email Made Easy to 1.17.0 or later. 3 of these have a fixed version available. Updating resolves them.

Plugin last updated: May 25, 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-2023-28496	Medium 4.4	0.4%	1.4.2 and earlier	`1.5.0`	March 16, 2023
CVE-2026-7621	Medium 4.3	0.3%	0 to 1.16.0 (inclusive)	`1.17.0`	May 28, 2026
CVE-2025-54011	Medium 4.3	0.2%	1.12.1 and earlier	`1.12.2`	July 16, 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.