Vulnerability Monitor

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CVE-2016-10033


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.


Published

2016-12-30T19:59:00.137

Last Modified

2025-07-08T01:00:02.203

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-88
  • Type: Secondary
    CWE-88

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application phpmailer_project phpmailer < 5.2.18 Yes
Application wordpress wordpress ≤ 4.7 Yes
Application joomla joomla\! ≤ 3.6.5 Yes

References