plugin

Smart Smtp Vulnerabilities

1 known security issue reported for the Smart Smtp WordPress plugin. Most recent disclosed Aug 19, 2026.

1 high

Running Smart Smtp on your site? Check whether your installed version is affected.

SmartSMTP <= 1.2.0 - Unauthenticated Stored Cross-Site Scripting

high

The SmartSMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 1.2.0. This is due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user...

CVSS:: 7.2
Affected:: up to 1.2.0
Fixed in:: 1.2.1
Disclosed:: Aug 19, 2026

CVE-2026-66606 on NVD →

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