CVEvulnerability
CVE-2020-37023
8.7 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-01-30
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.7 HIGH — CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-434
Description
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.
Related
Weakness · CWE (1)
- CWE-434 Unrestricted Upload of File with Dangerous Type weakness
References
- http://koken.me/ koken.me
- https://github.com/V1n1v131r4/Bypass-File-Upload-on-Koken-CMS/blob/master/README.md github.com
- https://www.exploit-db.com/exploits/48706 www.exploit-db.com
- https://www.softaculous.com/apps/cms/Koken www.softaculous.com
- https://www.vulncheck.com/advisories/koken-cms-arbitrary-file-upload www.vulncheck.com