CVE-2016-10033 - PHPMailer Command Injection Vulnerability
Project:PHP
Product:PHPMailer
Date Added:2025-07-07Due Date:2025-07-28
Vulnerability Name
PHPMailer Command Injection Vulnerability
Description
PHPMailer contains a command injection vulnerability because it fails to sanitize user-supplied input. Specifically, this issue affects the 'mail()' function of 'class.phpmailer.php' script. An attacker can exploit this issue to execute arbitrary code within the context of the application. Failed exploit attempts will result in a denial-of-service condition.
Known To Be Used in Ransomware Campaigns?
Unknown
Action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Additional Notes
This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.18
https://github.com/advisories/GHSA-5f37-gxvh-23v6
https://nvd.nist.gov/vuln/detail/CVE-2016-10033
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