4.3
Medium
CVE-2021-4422 The POST SMTP Mailer plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and…
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 products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress 2.0 | earliest → 2.0.20 | No fix stated |
| Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App 2.0 | earliest → 2.0.20 | No fix stated |