Arbitrary file upload in Fork-Cms Fork Cms

CVE-2021-28931

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.012 (65.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-28931?
CVE-2021-28931 is a high-severity vulnerability in Fork-Cms Fork Cms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2021-07-07.
How severe is CVE-2021-28931?
High severity. CVSS v3 base score is 8.8 out of 10.