Vulnerability DatabaseCVE-2018-19296
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CVE-2018-19296
Published:November 16, 2018
Updated:May 17, 2026
PHPMailer before 5.2.27 and 6.x before 6.0.6 is vulnerable to an object injection attack.
Affected Packages
phpmailer/phpmailer (PHP):
Affected version(s) >=v5.0.0 <v5.2.27
Fix Suggestion:
Update to version v5.2.27
phpmailer/phpmailer (PHP):
Affected version(s) >=v6.0.0 <v6.0.6
Fix Suggestion:
Update to version v6.0.6
Related Resources (13)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT
https://nvd.nist.gov/vuln/detail/CVE-2018-19296
https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.27
https://github.com/PHPMailer/PHPMailer/releases/tag/v6.0.6
https://www.debian.org/security/2018/dsa-4351
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B/
https://lists.debian.org/debian-lts-announce/2018/12/msg00020.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B
https://github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2018-19296.yaml
https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-7w4p-72j7-v7c2
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
CWE-1321
Improperly Controlled Modification of Dynamically-Determined Object Attributes
CWE-915
Deserialization of Untrusted Data
CWE-502
EPSS
Base Score:
1.55