Known vulnerabilities in SMTP for SendGrid – YaySMTP

Send emails from WordPress through SendGrid using SMTP by YayCommerce

2Reported vulnerabilities

6.1Highest CVSS score

1.5.1Latest version

1,000+Active installs

What to do now

Update SMTP for SendGrid – YaySMTP to 1.5.1 or later. 2 of these have a fixed version available. Updating resolves them.

Plugin last updated: May 18, 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-2025-0918	Medium 6.1	0.4%	Before 1.4	`1.4`	February 22, 2025
CVE-2025-48301	Medium 4.9	0.4%	1.5 and earlier	`1.5.1`	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.