{"id":"CVE-2016-20052","title":"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","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…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-434"],"vendor":"snewscms","product":"snews","affected":["snews <= 1.7"],"published":"2026-04-04","updated":"2026-07-21","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2016-20052","references":[{"url":"https://www.exploit-db.com/exploits/40706","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/snews-cms-unrestricted-file-upload-via-snews-files","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00951,"epssPercentile":0.59195,"ingestedAt":"2026-07-21T16:51:40.941Z","slug":"CVE-2016-20052","body":"## Overview\n\nSnews 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.\n\n## Affected\n\n- `snews <= 1.7`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}