SMTP for SendGrid – YaySMTP

SMTP for SendGrid – YaySMTP has 2 disclosed vulnerabilities in the WordSec catalog, all reported in 2025; all 2 are fixed as of September 2026. Their average CVSS score is 6.1, and the most serious one scores 7.2 out of 10. Severity breakdown: 0 critical and 1 high. 2025 was the busiest year with 2 disclosures.

The most common weakness is Cross-Site Scripting, behind 1 of the records (50%). Other recurring categories include SQL Injection.

Every one of the 2 issues recorded for SMTP for SendGrid – YaySMTP has a vendor fix available, so running the current release closes all known holes.

2 independent researchers contributed these findings, one record each. SMTP for SendGrid – YaySMTP is installed on roughly 1,000 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 7.0.4.

Strategic Overview

Avg CVSSMedium

6.1/ 10

Patch Coverage100%

Open

Fixed

Get automatic notifications for all SMTP for SendGrid – YaySMTP vulnerabilities before they are exploited.

Highest severity on recordCVSS 7.2CVE-2025-0918

SMTP for SendGrid – YaySMTP <= 1.4 - Unauthenticated Stored Cross-Site Scripting via Email Logs

Read the full analysis

Vulnerability Records

2 records


2025-07-16 00:00	SMTP for SendGrid – YaySMTP <= 1.5 - Authenticated (Administrator+) SQL Injection SMTP for SendGrid <= 1.5	`CVE-2025-48301`	4.9 Medium	Lê Quốc Bảo	Yes
2025-02-22 00:00	SMTP for SendGrid – YaySMTP <= 1.4 - Unauthenticated Stored Cross-Site Scripting via Email Logs SMTP for SendGrid <= 1.4	`CVE-2025-0918`	7.2 High	Cristian Bejan (cbejan)	Yes

Showing 1–2 of 2 reports

Latestv1.5.1

SMTP for SendGrid – YaySMTP

Author

YayCommerce

5.0(2)

100/100

Last Updated

2026-05-18 (4mo ago)

Active Installs

1,000+

Downloads

18,181

Requires WP

4.0+

Requires PHP

5.3+

Tested up to

WP 7.0.4

Created

2021-04-05 (6y ago)

Send emails from WordPress through SendGrid using SMTP by YayCommerce SMTP for SendGrid – YaySMTP helps you enhance email deliverability. By replacing WordPress default wp_mail() function, YaySMTP allows your transactional and promotional emails to be sent through with higher reliability. ⚡️ FEATURES SMTP for SendGrid – YaySMTP comes with an easy-to-use user interface that lets you start sending emails in minutes. Simple setup Clean & quality code Very lightweight SendGrid newsletter & marketing emails Email log YaySMTP’s Email Log has advanced features that you can only find in other premium plugins. It allows you to automatically delete the email logs that are older than a specified number of days. 🎏 Supported Themes and Plugins Complete compatibility with all themes, page builders and major plugins. Perfect with YayMail – WooCommerce Email Customizer plugin. 📝 Documentation and Support If you’re having issues, do let us know and we’ll be happy to help. ♥️ Like this YaySMTP Plugin? Rate us 5⭐ stars on WordPress.org. Follow us for latest updates!

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