Vulnerability · Published Dec 17, 2025 · Assigned by VulnCheck

CVE-2023-53922TinyWebGallery v2.5 Remote Code Execution via Unrestricted File Upload

Critical 9.8

In plain English

A critical-severity unrestricted file upload in TinyWebGallery from TinyWebGallery. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.1%top 34.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
TinyWebGallery TinyWebGallery 2.5

Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References