CVE-2016-20052

CriticalCVSS 9.8/10Last modified Jul 21, 2026

Description

Snews CMS 1.7 contains an unrestricted file upload vulnerability that allows unauthenticated attackers to upload arbitrary files including PHP executables to the snews_files directory. Attackers can upload malicious PHP files through the multipart form-data upload endpoint and execute them by accessing the uploaded file path to achieve remote code execution.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-434

Affected software

Vendor	Product	Versions
Snewscms	Snews CMS upload sheller	1.7

References

https://www.exploit-db.com/exploits/40706Exploit, VDB Entry
https://www.vulncheck.com/advisories/snews-cms-unrestricted-file-upload-via-snews-filesThird Party Advisory

Timeline

Published: Apr 4, 2026
Last modified: Jul 21, 2026
NVD status: Analyzed

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