CVE-2023-53922

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductTinywebgallery
PublishedDec 17, 2025
First seenDec 17, 2025

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
tinywebgallery tinywebgallery2.5—

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