CVE-2023-53922

CRITICAL 9.8

TinyWebGallery v2.5 Remote Code Execution via Unrestricted File Upload

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-434
Vendor	tinywebgallery
Product	tinywebgallery
Published	Dec 17, 2025
Last Updated	Apr 7, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

TinyWebGallery / TinyWebGallery

2.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/51443 tinywebgallery.com: http://www.tinywebgallery.com/ vulncheck.com: https://www.vulncheck.com/advisories/tinywebgallery-remote-code-execution-via-unrestricted-file-upload

Credits

Mirabbas Ağalarov