Detections
Analytics

CVE-2021-28931

high

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

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

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

Details

Source: Mitre, NVD

Published: 2021-07-07

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.00423