Known vulnerabilities in SMTP for Amazon SES – YaySMTP

Send WordPress emails through Amazon SES server using YaySMTP

3Reported vulnerabilities

7.2Highest CVSS score

1.9.1Latest version

3,000+Active installs

What to do now

Update SMTP for Amazon SES – YaySMTP to 1.9.1 or later. 3 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-2025-3434	High 7.2	0.5%	0 to 1.8 (inclusive)	`1.9`	April 11, 2025
CVE-2025-0957	High 7.2	0.5%	0 to 1.8 (inclusive)	`1.9`	February 22, 2025
CVE-2025-54043	Medium 4.9	0.3%	1.9 and earlier	`1.9.1`	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.