CVE-2016-10033 - PHPMailer Command Injection Vulnerability
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.
- Severity
- critical
- Product
- PHP PHPMailer
- Published
- 2025-07-07
- EPSS
- 0.997
- CISA KEV
- Known exploited
- Ransomware
- Known campaign use
References and validation
- https://github.com/search?q=CVE-2016-10033&type=repositories
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2016/CVE-2016-10033.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2016-10033
Entries are refreshed from CISA KEV and FIRST EPSS. Validate applicability before testing.