CVE-2025-69906HIGH 8.8EPSS p47.6%

CVE-2025-69906CVE-2025-69906

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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.68% probability of exploitation · percentile 47.6% · 2026-06-19T12:03:05Z
Published2026-02-05
Last modified2026-02-11

Underlying weaknesses· 1

CWE-434

References

  1. https://github.com/cypherdavy/CVE-2025-69906-Monstra-CMS-3.0.4-Arbitrary-File-Upload-to-RCE
  2. https://github.com/monstra-cms/monstra/tree/master/plugins/box/filesmanager

1

TypeTargetConfidenceTier
WeaknessUnrestricted Upload of File with Dangerous Typecwe-4340%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.