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TI-2016-09228 Aliases CVE-2016-20052GHSA-6p9p-r3m2-r76g

Snews CMS 1.7 Unrestricted File Upload via snews_files

Priority HIGH 81CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00967 62nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SnewscmsSnews CMS upload sheller1.7—No fix listedCNA
  • Snews CMS upload sheller VendorSnewscms Affected 1.7 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:snewscms:snews:*:*:*:*:*:*:*:*up to 1.7VulnerableSnewscms
  • cpe:2.3:a:snewscms:snews:*:*:*:*:*:*:*:* Versions up to 1.7 Vulnerable ·Snewscms

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-20052
  2. 2026-10-03 Alias added: GHSA-6p9p-r3m2-r76g

References

  • TI-2016-09227 Snews CMS 1.7 Cross-Site Request Forgery via changeup CVSS 4.0MEDIUM 6.9
  • TI-2011-02367 A Cross-Site Scripting (XSS) vulnerability exists in the reorder administrator functions in sNews 1.71. CVSS 3.1MEDIUM 6.1

Sources