CVE-2025-3434
SMTP for Amazon SES – YaySMTP <= 1.8 - Unauthenticated Stored Cross-Site Scripting via Email Logs
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
The SMTP for Amazon SES – YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Email Logs in all versions up to, and including, 1.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
| CWE | CWE-79 |
| Vendor | yaycommerce |
| Product | smtp for amazon ses – yaysmtp |
| Published | Apr 11, 2025 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
yaycommerce / SMTP for Amazon SES – YaySMTP
0 ≤ 1.8
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/78ac91af-4d71-43f4-b9fc-cf5e6874e7de?source=cve wordpress.org: https://wordpress.org/plugins/smtp-amazon-ses/ plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/smtp-amazon-ses/trunk/includes/Functions.php plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/smtp-amazon-ses/trunk/includes/Helper/Utils.php plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3270161/
Credits
D.Sim