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CVE-2018-6383

nvd nist
Published: Jan 29, 2018Modified: Jun 17, 2026

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: NVD

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.

Affected (1)

Products: Monstra: Monstra
Monstra
1 product
Monstra
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Monstra
Up to 3.0.4

Related CWEs

CWE-184
Incomplete List of Disallowed Inputs
The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are not allowed by policy or otherwise require other action to neutralize before additional processing takes place, but the list is incomplete, leading to resultant weaknesses.

References (6)

Source: cve@mitre.org
ExploitThird Party AdvisoryVDB Entry
Source: cve@mitre.org
ExploitThird Party Advisory
Source: cve@mitre.org
ExploitIssue TrackingThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue TrackingThird Party Advisory

Timeline

No history available yet.