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Medium 6.1CVE-2017-11503 Public exploit
Cross-site scripting in PHPMailer
PHPMailer 5.2.23 has XSS in the "From Email Address" and "To Email Address" fields of code_generator.php.
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Medium 5.5CVE-2017-5223 Public exploit
Local file disclosure in PHPMailer
An issue was discovered in PHPMailer before 5.2.22. PHPMailer's msgHTML method applies transformations to an HTML document to make it usable as an email message body. One of the transformations is to convert relative image URLs into attachments using a script…
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Critical 9.8
Remote code execution in PHPMailer
The isMail transport in PHPMailer before 5.2.20 might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code by leveraging improper interaction between the escapeshellarg function and internal escaping perf…
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Critical 9.8
Remote code execution in PHPMailer
The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code via a \" (backslash double quote) in a crafted Sender property.
KEV Jul 7, 2025