CVE-2026-56702
7.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| vrana | adminer | 0 < 5.4.3 | affected |
| vrana | adminer | 5.4.3 | unaffected |
Weaknesses
- CWE-434: Unrestricted Upload of File with Dangerous Type
References
- https://github.com/vrana/adminer/security/advisories/GHSA-vcvj-rwwm-x6g5
- https://www.vulncheck.com/advisories/adminer-before-unrestricted-file-upload-via-adminerfileupload
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