✅ Check your installed version
All known vulnerabilities
>= 6.1.8, < 6.4.1
HIGH8.1CVE-2021-3603Inclusion of Functionality from Untrusted Control Sphere in PHPMailer/PHPMailer from 0, < 6.4.2
HIGH8.1CVE-2021-34551Remote Code Execution vulnerability in PHPMailer 6.4.1 running on Windows from 0, < 6.5.0
HIGH7.5CVE-2020-13625Insufficient output escaping of attachment names in PHPMailer from 0, < 6.1.6