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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.

PUBLISHED Reserved 2026-04-04 | Published 2026-04-04 | Updated 2026-04-06 | Assigner VulnCheck




CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Unrestricted Upload of File with Dangerous Type

Product status

1.7
affected

Credits

Ashiyane Digital Security Team finder

References

www.exploit-db.com/exploits/40706 (ExploitDB-40706) exploit

www.vulncheck.com/...nrestricted-file-upload-via-snews-files (VulnCheck Advisory: Snews CMS 1.7 Unrestricted File Upload via snews_files) third-party-advisory

cve.org (CVE-2016-20052)

nvd.nist.gov (CVE-2016-20052)

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