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Vulnerability details: VCID-ehun-nwtg-ykhu
Vulnerability ID VCID-ehun-nwtg-ykhu
Aliases CVE-2018-19277
GHSA-xcrg-29h7-h4cj
Summary XXE in PHPSpreadsheet due to encoding issue
Status Published
Exploitability 2.0
Weighted Severity 8.0
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-91 XML Injection (aka Blind XPath Injection)
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.02992 https://api.first.org/data/v1/epss?cve=CVE-2018-19277
epss 0.02992 https://api.first.org/data/v1/epss?cve=CVE-2018-19277
epss 0.02992 https://api.first.org/data/v1/epss?cve=CVE-2018-19277
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-xcrg-29h7-h4cj
cvssv3.1 8.8 https://github.com/FriendsOfPHP/security-advisories/blob/master/phpoffice/phpspreadsheet/CVE-2018-19277.yaml
generic_textual HIGH https://github.com/FriendsOfPHP/security-advisories/blob/master/phpoffice/phpspreadsheet/CVE-2018-19277.yaml
cvssv3.1 8.8 https://github.com/MewesK/TwigSpreadsheetBundle/issues/18
generic_textual HIGH https://github.com/MewesK/TwigSpreadsheetBundle/issues/18
cvssv3.1 8.8 https://github.com/PHPOffice/PHPExcel/commit/2b601574975acfb9d4378a788ed5f2b747958095
generic_textual HIGH https://github.com/PHPOffice/PHPExcel/commit/2b601574975acfb9d4378a788ed5f2b747958095
cvssv3.1 8.8 https://github.com/PHPOffice/PHPExcel/commits/1.8.2
generic_textual HIGH https://github.com/PHPOffice/PHPExcel/commits/1.8.2
cvssv3.1 8.8 https://github.com/PHPOffice/PhpSpreadsheet
generic_textual HIGH https://github.com/PHPOffice/PhpSpreadsheet
cvssv3.1 8.8 https://github.com/PHPOffice/PhpSpreadsheet/commit/0f8f071e24ee8b114d894ac172f77dc250e5bfa4
generic_textual HIGH https://github.com/PHPOffice/PhpSpreadsheet/commit/0f8f071e24ee8b114d894ac172f77dc250e5bfa4
cvssv3.1 8.8 https://github.com/PHPOffice/PhpSpreadsheet/issues/771
generic_textual HIGH https://github.com/PHPOffice/PhpSpreadsheet/issues/771
cvssv3.1 8.8 https://github.com/PHPOffice/PhpSpreadsheet/pull/780
generic_textual HIGH https://github.com/PHPOffice/PhpSpreadsheet/pull/780
cvssv3.1 8.8 https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/1.5.1
generic_textual HIGH https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/1.5.1
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2018-19277
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2018-19277
cvssv3.1 8.8 https://www.bishopfox.com/news/2018/11/phpoffice-versions
generic_textual HIGH https://www.bishopfox.com/news/2018/11/phpoffice-versions
cvssv3.1 8.8 https://www.drupal.org/sa-contrib-2021-043
generic_textual HIGH https://www.drupal.org/sa-contrib-2021-043
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-19277
https://github.com/MewesK/TwigSpreadsheetBundle/issues/18
https://github.com/PHPOffice/PHPExcel/commit/2b601574975acfb9d4378a788ed5f2b747958095
https://github.com/PHPOffice/PHPExcel/commits/1.8.2
https://github.com/PHPOffice/PhpSpreadsheet
https://github.com/PHPOffice/PhpSpreadsheet/commit/0f8f071e24ee8b114d894ac172f77dc250e5bfa4
https://github.com/PHPOffice/PhpSpreadsheet/issues/771
https://github.com/PHPOffice/PhpSpreadsheet/pull/780
https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/1.5.1
https://www.bishopfox.com/news/2018/11/phpoffice-versions
https://www.drupal.org/sa-contrib-2021-043
CVE-2018-19277 Exploit https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/46050.txt
CVE-2018-19277 https://nvd.nist.gov/vuln/detail/CVE-2018-19277
CVE-2018-19277 Exploit https://www.bishopfox.com/news/2018/11/phpspreadsheet/
CVE-2018-19277.YAML https://github.com/FriendsOfPHP/security-advisories/blob/master/phpoffice/phpspreadsheet/CVE-2018-19277.yaml
GHSA-xcrg-29h7-h4cj https://github.com/advisories/GHSA-xcrg-29h7-h4cj
Data source Exploit-DB
Date added Dec. 24, 2018
Description PhpSpreadsheet < 1.5.0 - XML External Entity (XXE)
Ransomware campaign use Unknown
Source publication date Nov. 30, 2018
Exploit type webapps
Platform php
Source update date Dec. 24, 2018
Source URL https://www.bishopfox.com/news/2018/11/phpspreadsheet/
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/phpoffice/phpspreadsheet/CVE-2018-19277.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/MewesK/TwigSpreadsheetBundle/issues/18
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/PHPOffice/PHPExcel/commit/2b601574975acfb9d4378a788ed5f2b747958095
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/PHPOffice/PHPExcel/commits/1.8.2
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/PHPOffice/PhpSpreadsheet
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/PHPOffice/PhpSpreadsheet/commit/0f8f071e24ee8b114d894ac172f77dc250e5bfa4
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/PHPOffice/PhpSpreadsheet/issues/771
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/PHPOffice/PhpSpreadsheet/pull/780
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/PHPOffice/PhpSpreadsheet/releases/tag/1.5.1
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://nvd.nist.gov/vuln/detail/CVE-2018-19277
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.bishopfox.com/news/2018/11/phpoffice-versions
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.drupal.org/sa-contrib-2021-043
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 0.8685
EPSS Score 0.02992
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T20:25:39.595861+00:00 GHSA Importer Import https://github.com/advisories/GHSA-xcrg-29h7-h4cj 38.6.0