PLUGIN SECURITY
Is WP Mail SMTP Pro safe?
Make email delivery easy for WordPress. Connect with SMTP, Gmail, Brevo, SendGrid, Amazon SES + more, with powerful WordPress SMTP Email plugin.
What this plugin does
- Slug:
wp-mail-smtp-pro - Author: Syed Balkhi
- 4000000+ active installs
- 96/100 rating (5206 reviews on wordpress.org)
- 88568926 all-time downloads
- On WordPress.org since 2007-09-12
brevoemailgmailoutlooksmtp
Maintenance status
- Latest known version: 4.9.0
- Last updated: 2026-10-20 2:29pm GMT
- Tested up to WordPress: 7.1.3
- Requires PHP: 7.4+
- Max supported PHP (analyzed): 8.4
Known vulnerabilities
1 known CVE on file for WP Mail SMTP Pro. Reported between 2023 and 2023.
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| CVE-2023-3213 | WP Mail SMTP Pro [wp-mail-smtp-pro] < 3.8.1 | Missing Authorization | Medium 5.3 | < 3.8.1 | 3.8.1 | 2023-10-03 | ✓ fixed in latest |
How to fix it
Keep WP Mail SMTP Pro updated — 4.9.0 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
- MC4WP: Mailchimp for WordPress — 1000000+ active installs — 96/100 (1497) — 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 (709) — max PHP 8.4
- WP Mail Logging — 300000+ active installs — 94/100 (374) — max PHP 8.4
- Mailchimp for WooCommerce — 200000+ active installs — 80/100 (726) — max PHP 8.4
- Email Deliverability – SMTP Replacement, Email API Deliverability & Email Log — 200000+ active installs — 50/100 (17)
Check your own WordPress site
Run a free passive scan now, or create a free account and install the WP Clinic plugin for a deep scan of your whole hosting account and AI-assisted repair.