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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.012 (67.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Fork-Cms Fork Cms — versions 5.9.2
Weakness classification (CWE)
References
- github.com/forkcms/forkcms/releases/tag/5.9.2 (Third Party Advisory, Release Notes)
- github.com/bousalman/ForkCMS-arbitrary-upload/blob/main/README.md (Third Party Advisory)
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.