CVE-2025-69906

What it is

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.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.

Exploit odds

0.8% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2026-02-05 17:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 10:00 UTC Last updatedMost recent change to the record

Details

Published

2026-02-05 17:16 UTC

Last modified

2026-06-17 10:00 UTC

Exploit probability

0.8% · EPSS, next 30 days

Weakness

CWE-434 · Unrestricted file upload

Record status

Analyzed

Affected

• Monstra Cms 3.0.4

Attack profile CVSS 3.1 · 8.8

Attack vector

Network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High