High severity · published Jan 1, 2018
CVE-2018-3814
Craft CMS 2.6.3000 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…
8.8
CVSS
1.9%
EPSS
No
On KEV
Description
Craft CMS 2.6.3000 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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Craft Cms · Craftcms
2.6.3000 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-3814
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-3814
Exploit
https://github.com/Snowty/myCVE/blob/master/CraftCMS-2.6.3000/README.md
More from Craft Cms
10.0
CVE-2025-32432
Craft CMS Allows Remote Code Execution
9.8
CVE-2024-56145
RCE when PHP `register_argc_argv` config setting is enabled in craftcms/cms
8.1
CVE-2025-23209
Potential RCE with a compromised security key in craft/cms
5.3
CVE-2025-35939
Craft CMS stores user-provided content in session files
9.8
CVE-2026-32267
Craft CMS Vulnerable to Privilege Escalation/Bypass through UsersController->actionImpersonateWithToken()
