CVE-2023-53956
High · 8.8CVSS
8.8
EPSS
0.8%
Published
Dec 19, 2025
CISA due date
—
The record
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 execution on the server.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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