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Vulnerabilities and Security Researches

POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications, CVE-2021-4422

CVE, Research URL

CVE-2021-4422

Published on
Jul 12, 2023
Research Description
The POST SMTP Mailer plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.0.20. This is due to missing or incorrect nonce validation on the handleCsvExport() function. This makes it possible for unauthenticated attackers to trigger a CSV export via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Affected versions
Min -, max 2.0.21.
Status
vulnerable