VULNERABILITY INTELLIGENCE

CVE-2016-10033

CVSS score9.8 CRITICAL
EPSS probability99.71%
CISA KEVKnown exploited vulnerability
Published2016-12-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

PHPMailer Command Injection Vulnerability

Vendor / product: PHP / PHPMailer

Description

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.

Weakness classification

  • CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

Primary references