altervista vulnerabilities

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• flatnux 1

Latest altervista CVEs

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1. CVE-2023-53956 Flatnux 2021-03.25 Authenticated File Upload Remote Code Execution

   Published 2025-12-19

   High·CVSS 8.7 EPSS 0.77%

   Flatnux 2021-03.25 contains an authenticated file upload vulnerability that allows administrative users to upload arbitrary PHP files through the file manager. Attackers with admin credentials can upload malicious PHP scripts to the web root directory, enabling remote code execut...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.