Snews CMS 1.7 Unrestricted File Upload via snews_files
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
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-20052
- 2026-10-03 Alias added: GHSA-6p9p-r3m2-r76g
References
Exploit 1
More Snewscms Snews vulnerabilities
- 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
- CVE-2016-20052 · CVE Program
- CVE-2016-20052 · NVD
- FIRST EPSS
- GHSA-6p9p-r3m2-r76g · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences