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Input validation vulnerability in POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications 2.8.6

  • Severity: medium-risk
  • Status: Fixed
  • Publication: January 2, 2024

The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to a type of attack called Reflected Cross-Site Scripting. This vulnerability affects all versions up to and including 2.8.6 because it does not properly sanitize or escape user input. This means that unauthenticated attackers can inject malicious web scripts into a page which can be executed if a user clicks on a link.

Detected in:

POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications fixed vulnerable versions:
Post SMTP – The Complete WP SMTP Plugin with Email Logs and Mobile app for email Failure Notifications fixed vulnerable versions:
Post SMTP – The WordPress SMTP Plugin with Email Logs and Mobile App for Email Failure Notifications fixed vulnerable versions:
Post SMTP – WordPress SMTP Plugin with Email Logs and Mobile App for Failure Notifications – Gmail SMTP, Office 365, Brevo, Mailgun, Amazon SES and more fixed vulnerable versions:
Post SMTP – WP SMTP Plugin with Email Logs & Mobile App for Failure Alerts – Any SMTP Plus Gmail SMTP, Office 365, Brevo, Mailgun, Amazon SES, Postmark fixed vulnerable versions:
Post SMTP – WP SMTP Plugin with Email Logs and Mobile App for Failure Notifications – Gmail SMTP, Office 365, Brevo, Mailgun, Amazon SES and more fixed vulnerable versions:

This information is sourced from www.wpvulnerability.com. An open-source database of vulnerabilities maintained by the community. Help us out by submitting vulnerabilities!

Version compare shows which versions have a vulnerability. For example: >= 2.2.8 <= 2.2.21 means:

> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21

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