CVE-2016-20052 - Vulnerability Analysis
CriticalCVSS: 9.8Last Updated: April 4, 2026
Snews CMS - Unrestricted File Upload
Published: April 4, 2026Updated: April 4, 2026Remote Exploitable
Overview
Snews CMS 1.7 contains an unrestricted file upload vulnerability caused by lack of upload restrictions in the multipart form-data endpoint, letting unauthenticated attackers upload and execute arbitrary PHP files, exploit requires no authentication.
Severity & Score
Severity: Critical
CVSS Score: 9.8
Impact
Unauthenticated attackers can upload and execute arbitrary PHP files, leading to full remote code execution on the server.
Mitigation
Update to the latest version with upload restrictions or apply patches to restrict file uploads.
References
Related Resources
Details
- CVE ID
- CVE-2016-20052
- Severity
- Critical
- CVSS Score
- 9.8
- Type
- unrestricted_file_upload
- Status
- new
CWE
- CWE-434
CVSS Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H