Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App Security & Risk Analysis
wordpress.org/plugins/post-smtpImprove WordPress email deliverability. Connect Gmail SMTP, Microsoft 365, Brevo, SendGrid, Mailgun, Zoho, Amazon SES, etc. #1 WordPress SMTP Plugin.
Is Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App Safe to Use in 2026?
Mostly Safe
Score 76/100Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App is generally safe to use. 23 past CVEs were resolved. Keep it updated.
Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App Security Vulnerabilities
CVEs by Year
Severity Breakdown
23 total CVEs
Post SMTP <= 3.8.0 - Missing Authorization to Authenticated (Subscriber+) Office 365 OAuth Configuration Overwrite
Post SMTP <= 3.8.0 - Unauthenticated Stored Cross-Site Scripting via 'event_type'
Post SMTP – Complete SMTP Solution with Logs, Alerts, Backup SMTP & Mobile App <= 3.6.1 - Missing Authorization to Authenticated (Subscriber+) OAuth Token Update
Post SMTP – Complete SMTP Solution with Logs, Alerts, Backup SMTP & Mobile App <= 3.6.0 - Missing Authorization to Account Takeover via Unauthenticated Email Log Disclosure
Post SMTP <= 3.4.1 - Missing Authorization to Authenticated (Subscriber+) Limited Plugin Option Update
Post SMTP <= 3.2.0 - Missing Authorization to Authenticated (Subscriber+) Account Takeover via Email Log Exposure
Post SMTP <= 3.1.2 - Authenticated (Administrator+) SQL Injection via columns Parameter
Post SMTP <= 3.0.2 - Unauthenticated Stored Cross-Site Scripting
Post SMTP <= 2.9.11 - Missing Authorization via regenerate_qrcode()
Post SMTP <= 2.9.9 - Authenticated (Administrator+) SQL Injection
POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress <= 2.9.3 - Authenticated (Administrator+) SQL Injection
POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress <= 2.8.7 - Authorization Bypass via type connect-app API
POST SMTP Mailer <= 2.8.6 - Reflected Cross-Site Scripting via msg
POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress <= 2.8.7 - Unauthenticated Stored Cross-Site Scripting via device
POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress <= 2.8.6 - Authenticated (Administrator+) SQL Injection
POST SMTP Mailer <= 2.7.0 - Unauthenticated Stored Cross-Site Scripting
Post SMTP <= 2.6.0 - Authenticated (Administrator+) SQL Injection
Post SMTP <= 2.5.7 - Unauthenticated Stored Cross-Site Scripting via Email
POST SMTP Mailer <= 2.5.6 - Cross-Site Request Forgery to Account Compromise
POST SMTP Mailer <= 2.5.6 - Cross-Site Request Forgery to Arbitrary Log Deletion
Post SMTP <= 2.1.6 - Authenticated (Administrator+) Blind Server-Side Request Forgery
Post SMTP Mailer/Email Log <= 2.1.3 - Authenticated (Admin+) Stored Cross-Site Scripting
POST SMTP Mailer <= 2.0.20 - Cross-Site Request Forgery Bypass
Maintenance & Trust
Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App Maintenance & Trust
Maintenance Signals
Community Trust
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Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App Developer Profile
84 plugins · 1.4M total installs