CVE-2016-10033 — Actively Exploited: PHPMailer (PHP)
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
| CVE ID | CVE-2016-10033 |
|---|---|
| Vendor | PHP |
| Product | PHPMailer |
| Vulnerability name | PHPMailer Command Injection Vulnerability |
| Date added | 2025-07-07 |
| Remediation due | 2025-07-28 |
| Known ransomware use | Unknown |
| Required 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. |
| 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. |
| Source | CISA Known Exploited Vulnerabilities |
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