CVE-2018-15886

HIGH

Monstra CMS 3.0.4 - Authenticated PHP Code Injection via Snippet Edit

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/monstra-cms/monstra/issues/455

Scores

CVSS v3 7.2
EPSS 0.0165
EPSS Percentile 73.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-94
Status published
Products (1)
monstra/monstra 3.0.4
Published Sep 10, 2018
Tracked Since Feb 18, 2026