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CVE-2026-56702

HIGH NVD
CVSS Score
8.8
Severity
HIGH
Source
NVD
Published
Aug 25, 2026
Description

Adminer versions before 5.4.3 contain an unrestricted file upload vulnerability in the AdminerFileUpload plugin that allows authenticated users to upload PHP files by exploiting a permissive default extension allowlist. Attackers can upload PHP webshells to columns ending in _path and execute arbitrary code as the web-server user when uploadPath is web-served.

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