CVE-2016-20052
Snews CMS 1.7 Unrestricted File Upload via snews_files
- State
- Published
- Severity
- 9.3 Critical
- Published
- Apr 4, 2026
- Updated
- Apr 6, 2026
- Reserved
- Apr 4, 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
Snews CMS upload shellerSnewscms |
|
References
- ExploitDB-40706exploit
- VulnCheck Advisory: Snews CMS 1.7 Unrestricted File Upload via snews_filesthird-party-advisory
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