Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-gbf2-3kde-kkc4
Vulnerability ID VCID-gbf2-3kde-kkc4
Aliases CVE-2018-3814
GHSA-r342-vjc4-wrmj
Summary Injection Vulnerability Craft CMS allows remote attackers to execute arbitrary PHP code by using the `Assets->Upload files` screen and then the `Replace it` option, because this allows a `.jpg` file to have embedded PHP code, and then be renamed to a `.php` extension.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-434 Unrestricted Upload of File with Dangerous Type
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00698 https://api.first.org/data/v1/epss?cve=CVE-2018-3814
epss 0.00698 https://api.first.org/data/v1/epss?cve=CVE-2018-3814
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-r342-vjc4-wrmj
cvssv3.1 8.8 https://github.com/craftcms/cms
generic_textual HIGH https://github.com/craftcms/cms
cvssv3.1 8.8 https://github.com/Snowty/myCVE/blob/master/CraftCMS-2.6.3000/README.md
generic_textual HIGH https://github.com/Snowty/myCVE/blob/master/CraftCMS-2.6.3000/README.md
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2018-3814
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2018-3814
cvssv3.1 8.8 https://web.archive.org/web/20170612231205/http://0day5.com/archives/4122
generic_textual HIGH https://web.archive.org/web/20170612231205/http://0day5.com/archives/4122
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-3814
https://github.com/craftcms/cms
https://github.com/Snowty/myCVE/blob/master/CraftCMS-2.6.3000/README.md
https://web.archive.org/web/20170612231205/http://0day5.com/archives/4122
CVE-2018-3814 https://nvd.nist.gov/vuln/detail/CVE-2018-3814
GHSA-r342-vjc4-wrmj https://github.com/advisories/GHSA-r342-vjc4-wrmj
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 https://github.com/craftcms/cms
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/Snowty/myCVE/blob/master/CraftCMS-2.6.3000/README.md
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-2018-3814
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://web.archive.org/web/20170612231205/http://0day5.com/archives/4122
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 0.72348
EPSS Score 0.00698
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-02T04:37:23.954438+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/craftcms/cms/CVE-2018-3814.yml 38.6.0