CVE•Published 2026-04-04•Modified 2026-04-14•1 article on news•7 live references•NVD data
CVE-2016-20052Snewscms · Snews
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
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Weaknesses (CWE)
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.
Timeline
Published 2026-04-04
Modified 2026-04-14
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2016-20052Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Snewscms Snews"All exposed Snewscms Snews instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Snews"HTTP body or banner mentions "Snews" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2016-20052Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2016-20052Censys host search filtered to this CVE id.
grep.app
CVE-2016-20052Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2016-20052GitHub code search for direct mentions.
Google dork
"CVE-2016-20052" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.