CVE-2021-28931

HIGH

Fork-cms Fork Cms < 5.9.3 - Unrestricted File Upload

Title source: rule
STIX 2.1

Description

Arbitrary file upload vulnerability in Fork CMS 5.9.2 allows attackers to create or replace arbitrary files in the /themes directory via a crafted zip file uploaded to the Themes panel.

References (2)

Core 2
Core References
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/forkcms/forkcms/releases/tag/5.9.2

Scores

CVSS v3 8.8
EPSS 0.0042
EPSS Percentile 62.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-434
Status published
Products (2)
fork-cms/fork_cms 5.9.2
forkcms/forkcms 0 - 5.9.3Packagist
Published Jul 07, 2021
Tracked Since Feb 18, 2026