---
id: CVE-2021-42675
title: >-
  Kreado Kreasfero 1.5 does not properly sanitize uploaded files to the media
  directory
summary: >-
  Kreado Kreasfero 1.5 does not properly sanitize uploaded files to the media
  directory. One can upload a malicious PHP file and obtain remote code
  execution.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-434
vendor: kreado
product: kreasfero
affected:
  - kreasfero = 1.5
published: '2022-06-14'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-42675'
references:
  - url: 'https://twitter.com/1ofThegutHakrs/status/1536246485188128768'
    label: cve@mitre.org
  - url: 'http://kreado.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://kreasfero.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://twitter.com/1ofThegutHakrs/status/1536246485188128768'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.02379
epssPercentile: 0.83175
ingestedAt: '2026-07-06T17:03:24.416Z'
---

## Overview

Kreado Kreasfero 1.5 does not properly sanitize uploaded files to the media directory. One can upload a malicious PHP file and obtain remote code execution.

## Affected

- `kreasfero = 1.5`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.