Search for vulnerabilities
Vulnerability details: VCID-tgrc-1eek-q7e9
Vulnerability ID VCID-tgrc-1eek-q7e9
Aliases CVE-2018-19296
GHSA-7w4p-72j7-v7c2
Summary PHPMailer before 5.2.27 and 6.x before 6.0.6 is vulnerable to an object injection attack.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (5)
CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
CWE-502 Deserialization of Untrusted Data
CWE-915 Improperly Controlled Modification of Dynamically-Determined Object Attributes
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.01227 https://api.first.org/data/v1/epss?cve=CVE-2018-19296
epss 0.01227 https://api.first.org/data/v1/epss?cve=CVE-2018-19296
epss 0.01227 https://api.first.org/data/v1/epss?cve=CVE-2018-19296
epss 0.01227 https://api.first.org/data/v1/epss?cve=CVE-2018-19296
epss 0.01227 https://api.first.org/data/v1/epss?cve=CVE-2018-19296
epss 0.01227 https://api.first.org/data/v1/epss?cve=CVE-2018-19296
epss 0.01227 https://api.first.org/data/v1/epss?cve=CVE-2018-19296
epss 0.01227 https://api.first.org/data/v1/epss?cve=CVE-2018-19296
epss 0.01227 https://api.first.org/data/v1/epss?cve=CVE-2018-19296
epss 0.01227 https://api.first.org/data/v1/epss?cve=CVE-2018-19296
epss 0.01227 https://api.first.org/data/v1/epss?cve=CVE-2018-19296
epss 0.01227 https://api.first.org/data/v1/epss?cve=CVE-2018-19296
epss 0.01227 https://api.first.org/data/v1/epss?cve=CVE-2018-19296
epss 0.01227 https://api.first.org/data/v1/epss?cve=CVE-2018-19296
epss 0.01227 https://api.first.org/data/v1/epss?cve=CVE-2018-19296
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-7w4p-72j7-v7c2
cvssv3.1 8.8 https://github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2018-19296.yaml
generic_textual HIGH https://github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2018-19296.yaml
cvssv3.1 8.8 https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.27
generic_textual HIGH https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.27
cvssv3.1 8.8 https://github.com/PHPMailer/PHPMailer/releases/tag/v6.0.6
generic_textual HIGH https://github.com/PHPMailer/PHPMailer/releases/tag/v6.0.6
cvssv3.1 8.8 https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-7w4p-72j7-v7c2
cvssv3.1_qr HIGH https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-7w4p-72j7-v7c2
generic_textual HIGH https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-7w4p-72j7-v7c2
cvssv3.1 8.8 https://lists.debian.org/debian-lts-announce/2018/12/msg00020.html
generic_textual HIGH https://lists.debian.org/debian-lts-announce/2018/12/msg00020.html
cvssv3.1 8.8 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B
generic_textual HIGH https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B
cvssv3.1 8.8 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT
generic_textual HIGH https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT
cvssv3.1 8.8 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B
generic_textual HIGH https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B
cvssv3.1 8.8 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT
generic_textual HIGH https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2018-19296
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2018-19296
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2018-19296
cvssv3.1 8.8 https://www.debian.org/security/2018/dsa-4351
generic_textual HIGH https://www.debian.org/security/2018/dsa-4351
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-19296
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19296
https://github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2018-19296.yaml
https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.27
https://github.com/PHPMailer/PHPMailer/releases/tag/v6.0.6
https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-7w4p-72j7-v7c2
https://lists.debian.org/debian-lts-announce/2018/12/msg00020.html
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/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B/
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/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT/
https://nvd.nist.gov/vuln/detail/CVE-2018-19296
https://www.debian.org/security/2018/dsa-4351
913912 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=913912
cpe:2.3:a:phpmailer_project:phpmailer:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:phpmailer_project:phpmailer:*:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
GHSA-7w4p-72j7-v7c2 https://github.com/advisories/GHSA-7w4p-72j7-v7c2
USN-5956-1 https://usn.ubuntu.com/5956-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2018-19296.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.27
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/PHPMailer/PHPMailer/releases/tag/v6.0.6
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-7w4p-72j7-v7c2
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://lists.debian.org/debian-lts-announce/2018/12/msg00020.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-19296
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-19296
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.debian.org/security/2018/dsa-4351
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.78304
EPSS Score 0.01227
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:41:19.829800+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/5956-1/ 37.0.0