CVE-2020-37023

High CVSS: 8.7

Koken CMS 0.22.24 contains a file upload vulnerability that allows authenticated attackers to bypass file extension restrictions by renaming malicious PHP files. Attackers can upload PHP files with system command execution capabilities by manipulating the file upload request through a web proxy and changing the file extension.

Vendor

Product

CWE

CWE-434

Yayın Tarihi

2026-01-30 23:16:06

Güncelleme

2026-02-04 16:34:21

Source Identifier

disclosure@vulncheck.com

KEV Date Added

Kategoriler

CWE-434 HIGH 2026

Referanslar

http://koken.me/ https://github.com/V1n1v131r4/Bypass-File-Upload-on-Koken-CMS/blob/master/README.md https://www.exploit-db.com/exploits/48706 https://www.softaculous.com/apps/cms/Koken https://www.vulncheck.com/advisories/koken-cms-arbitrary-file-upload