CVE-2021-28931

Published: Jul 7, 2021Modified: Jun 17, 2026

8.8

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: NVD

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.

Affected (1)

Products: Fork Cms: Fork Cms

Fork Cms

1 product

Fork Cms

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Fork Cms Fork Cms	Version 5.9.2

Related CWEs

CWE-434

Unrestricted Upload of File with Dangerous Type

The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

References (4)

https://github.com/bousalman/ForkCMS-arbitrary-upload/blob/main/README.md

Source: cve@mitre.org

Third Party Advisory

https://github.com/forkcms/forkcms/releases/tag/5.9.2

Source: cve@mitre.org

Release NotesThird Party Advisory

https://github.com/bousalman/ForkCMS-arbitrary-upload/blob/main/README.md

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://github.com/forkcms/forkcms/releases/tag/5.9.2

Source: af854a3a-2127-422b-91ae-364da2661108

Release NotesThird Party Advisory

Timeline

No history available yet.