Monstra CMS v3.0.4 contains an arbitrary file upload vulnerability in the Files Manager plugin. The application relies on blacklist-based file extension validation and stores uploaded files directly in a web-accessible directory. Under typical server configurations, this can allow an attacker to upload files that are interpreted as executable code, resulting in remote code execution.
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Fixes

Solution

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Workaround

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History

Fri, 06 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-434
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 06 Feb 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Monstra
Monstra monstra Cms
Vendors & Products Monstra
Monstra monstra Cms

Thu, 05 Feb 2026 16:30:00 +0000

Type Values Removed Values Added
Description Monstra CMS v3.0.4 contains an arbitrary file upload vulnerability in the Files Manager plugin. The application relies on blacklist-based file extension validation and stores uploaded files directly in a web-accessible directory. Under typical server configurations, this can allow an attacker to upload files that are interpreted as executable code, resulting in remote code execution.
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-02-06T15:57:50.945Z

Reserved: 2026-01-09T00:00:00.000Z

Link: CVE-2025-69906

cve-icon Vulnrichment

Updated: 2026-02-06T15:54:42.050Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-02-05T17:16:12.900

Modified: 2026-02-06T16:16:14.713

Link: CVE-2025-69906

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-06T12:05:21Z

Weaknesses