CVE · Medium

CVE-2021-4422 — Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App [post-smtp] < 2.0.21

CVE Vulnerability Type Severity Affected Fixed in Published Status
CVE-2021-4422 Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App [post-smtp] < 2.0.21 Cross-Site Request Forgery (CSRF) Medium 4.3 < 2.0.21 2.0.21 2021-03-01

CVE-2021-4422

The POST SMTP Mailer plugin for WordPress contains a cross-site request forgery vulnerability in versions up to and including 2.0.20, stemming from inadequate nonce validation in the handleCsvExport() function. An unauthenticated attacker could exploit this flaw to initiate a CSV export by crafting a malicious request, provided they can deceive a site administrator into clicking a specially crafted link. The vulnerability was resolved in version 2.0.21.

Based on public CVE data (MITRE/NVD).

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