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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Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 25 Aug 2026 06:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Vrana
Vrana adminer |
|
| Vendors & Products |
Vrana
Vrana adminer |
Tue, 25 Aug 2026 02:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Adminer before 5.4.3 Unrestricted File Upload via AdminerFileUpload | |
| First Time appeared |
Adminer
Adminer adminer |
|
| Weaknesses | CWE-434 | |
| CPEs | cpe:2.3:a:adminer:adminer:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Adminer
Adminer adminer |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-08-25T01:30:00.475Z
Reserved: 2026-06-22T18:48:27.059Z
Link: CVE-2026-56702
No data.
Status : Received
Published: 2026-08-25T02:16:41.900
Modified: 2026-08-25T02:16:41.900
Link: CVE-2026-56702
No data.
OpenCVE Enrichment
Updated: 2026-08-25T06:30:04Z
Weaknesses