PLUGIN SECURITY
Is MailerSend - Official SMTP Integration safe?
Improve your deliverability and avoid the spam box with MailerSend’s SMTP server. Check your analytics to improve your emails for better conversion!
What this plugin does
- Slug:
mailersend-official-smtp-integration - Author: MailerSend
- 2000+ active installs
- 56/100 rating (12 reviews on wordpress.org)
- 27179 all-time downloads
- On WordPress.org since 2021-10-20
emailmailersendphpmailersmtpwp_mail
Maintenance status
- Latest known version: 1.0.8
- Last updated: 2026-06-26 10:52am GMT
- Tested up to WordPress: 6.9.7
- Requires PHP: 7.2.5+
- Max supported PHP (analyzed): 8.4
Known vulnerabilities
1 known CVE on file for MailerSend - Official SMTP Integration. Reported between 2026 and 2026.
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| CVE-2026-13156 | MailerSend – Official SMTP Integration [mailersend-official-smtp-integration] < 1.0.8 | Cross-Site Request Forgery (CSRF) | Unknown | < 1.0.8 | 1.0.8 | 2026-06-29 | ✓ fixed in latest |
How to fix it
Keep MailerSend - Official SMTP Integration updated — 1.0.8 is the latest version on wordpress.org, and each CVE above lists the exact release that fixed it ("Fixed in").
This is the plugin's full known vulnerability history, not a scan of any specific installation — run a free scan of your own site to check your exact installed version.
Safer / more established alternatives
- WP Mail SMTP by WPForms – The Most Popular SMTP and Email Log Plugin — 4000000+ active installs — 96/100 (5181) — max PHP 8.4
- MC4WP: Mailchimp for WordPress — 1000000+ active installs — 96/100 (1496) — max PHP 8.4
- Easy WP SMTP – WordPress SMTP and Email Logs: Gmail SMTP, Office 365, Outlook, Custom SMTP, and more — 500000+ active installs — 92/100 (707) — max PHP 8.4
- Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App — 300000+ active installs — 94/100 (524) — max PHP 8.4
- WP Mail Logging — 300000+ active installs — 94/100 (365)
Check your own WordPress site
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