CVE-2016-20052CWE-434

Snews CMS 1.7 Unrestricted File Upload via snews_files

Critical · published April 4, 2026

CVSS v4.0
9.3
EPSS
1%
Percentile
60.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
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
EPSS
0.00951 · 60.7th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-04-04T13:50Z
EPSS history
Timeline
  • 04 APR 13:50Z
    Snews CMS 1.7 Unrestricted File Upload via snews_files
    cvelistv5