CVE-2023-3093
YaySMTP <= 2.4.5 - Unauthenticated Stored Cross-Site Scripting via Email
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
The YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via email contents in versions up to, and including, 2.4.5 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 | yaysmtp and email logs: amazon ses, sendgrid, outlook, mailgun, brevo, google and any smtp service |
| Published | Jul 12, 2023 |
| 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 / YaySMTP and Email Logs: Amazon SES, SendGrid, Outlook, Mailgun, Brevo, Google and Any SMTP Service
0 ≤ 2.4.5
References
Credits
Alex Thomas