CVE-2023-53922
TinyWebGallery v2.5 Remote Code Execution via Unrestricted File Upload
- State
- Published
- Severity
- 9.3 Critical
- Published
- Dec 17, 2025
- Updated
- Jul 15, 2026
- Reserved
- Dec 16, 2025
Description
TinyWebGallery v2.5 contains a remote code execution vulnerability in the admin upload functionality that allows unauthenticated attackers to upload malicious PHP files. Attackers can upload .phar files with embedded system commands to execute arbitrary code on the server by accessing the uploaded file's URL.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
TinyWebGalleryTinyWebGallery |
|
References
- ExploitDB-51443exploit
- Official Product Webpageproduct
- VulnCheck Advisory: TinyWebGallery v2.5 Remote Code Execution via Unrestricted File Uploadthird-party-advisory
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