SMTP for Amazon SES – YaySMTP vulnerabilities
Plugin slug smtp-amazon-ses · 3 known vulnerabilities · latest disclosed 2025-07-16 · WordPress.org page
Every listed vulnerability has a fix. Version 1.9.1 or later is not affected by any of them. If your site runs an older version, update it.
2 of 3 rated high or critical (CVSS 7 or more).
Known vulnerabilities in SMTP for Amazon SES – YaySMTP
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 4.9 | <= 1.9 | 1.9.1 | CVE-2025-54043 | 2025-07-16 | Advisory |
| High 7.2 | <= 1.8 | 1.9 | CVE-2025-3434 | 2025-04-10 | Advisory |
| High 7.2 | <= 1.8 | 1.9 | CVE-2025-0957 | 2025-02-22 | Advisory |
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Questions
Is the SMTP for Amazon SES – YaySMTP plugin safe to use?
All 3 known issues are fixed in current versions (1.9.1 or later). Keeping it updated is what matters.
How do I check which version of SMTP for Amazon SES – YaySMTP my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.