EXPOSURES › CVE-2016-10033
CVE-2016-10033
HIGH ⌖ ON CISA KEV · EXPLOITEDPHPMailer command injection allowed arbitrary code execution.
PHPMailer, a widely-used PHP library, had a critical command injection flaw that enabled attackers to execute arbitrary code. This vulnerability was actively exploited in the wild, leading to potential denial-of-service conditions and unauthorized actions within applications using PHPMailer.
Shame score — Critical flaw actively exploited in the wild leading to arbitrary code execution.
▸ RECOMMENDED ACTION Actively exploited (CISA KEV) — remediate now, ahead of your normal patch cycle.
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.