CVE-2018-6383 Information

Description

Monstra CMS through 3.0.4 has an incomplete \forbidden types\ list that excludes .php (and similar) file extensions but not the .pht or .phar extension which allows remote authenticated Admins or Editors to execute arbitrary PHP code by uploading a file a different vulnerability than CVE-2017-18048.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/monstra-cms/monstra/issues/429

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.2