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Vulnerability details: VCID-1d1x-7vx6-zbfw
Vulnerability ID VCID-1d1x-7vx6-zbfw
Aliases CVE-2017-14251
GHSA-fh4q-hxrw-cjqq
Summary TYPO3 Arbitrary Code Execution Unrestricted File Upload vulnerability in the fileDenyPattern in sysext/core/Classes/Core/SystemEnvironmentBuilder.php in TYPO3 7.6.0 to 7.6.21 and 8.0.0 to 8.7.4 allows remote authenticated users to upload files with a .pht extension and consequently execute arbitrary PHP code.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-434 Unrestricted Upload of File with Dangerous Type
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
cvssv3.1 8.8 http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html
generic_textual HIGH http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html
epss 0.03536 https://api.first.org/data/v1/epss?cve=CVE-2017-14251
cvssv3.1 8.8 https://github.com/TYPO3/typo3
generic_textual HIGH https://github.com/TYPO3/typo3
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2017-14251
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2017-14251
cvssv3.1 8.8 https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007
generic_textual HIGH https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007
cvssv3.1 8.8 http://www.securityfocus.com/bid/100620
generic_textual HIGH http://www.securityfocus.com/bid/100620
cvssv3.1 8.8 http://www.securitytracker.com/id/1039295
generic_textual HIGH http://www.securitytracker.com/id/1039295
Reference id Reference type URL
http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.html
https://api.first.org/data/v1/epss?cve=CVE-2017-14251
https://github.com/TYPO3/typo3
https://nvd.nist.gov/vuln/detail/CVE-2017-14251
https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007
https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007/
http://www.securityfocus.com/bid/100620
http://www.securitytracker.com/id/1039295
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at http://blog.emaze.net/2017/12/typo3-unrestricted-file-upload-remote.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:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/TYPO3/typo3
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:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-14251
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:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2017-007
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:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at http://www.securityfocus.com/bid/100620
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:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at http://www.securitytracker.com/id/1039295
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 0.87154
EPSS Score 0.03536
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:29:42.079713+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-fh4q-hxrw-cjqq/GHSA-fh4q-hxrw-cjqq.json 36.1.3