CVE-2018-15886 Information

Description

Monstra CMS 3.0.4 does not properly restrict modified Snippet content as demonstrated by the admin/index.php?id=snippets&action=edit_snippet&filename=google-analytics URI which allows attackers to execute arbitrary PHP code by placing this code after a ?php substring.

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/455

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