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Vulnerability record · CVE-2023-53922 · published 17 December 2025

CVE-2023-53922: Tinywebgallery unrestricted file upload vulnerability

Tinywebgallery · Tinywebgallery

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.

9.3 CVSS 4.0 Critical EPSS 1.1% · top 35.6% CWE-434 · Unrestricted file upload
9.3CVSS 4.0 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 3 tagged exploit
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.tinywebgallery.com/ Product
https://www.exploit-db.com/exploits/51443 ExploitThird Party AdvisoryVDB Entry
https://www.vulncheck.com/advisories/tinywebgallery-remote-code-execution-via-unrestricted-file-upload ExploitThird Party Advisory
https://www.exploit-db.com/exploits/51443 ExploitThird Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2012-5347Tinywebgallery vulnerabilityTinyWebGallery 1.8.3 allows remote attackers to execute arbitrary code via shell metacharacters in the command parameter to (1) inc/filefunctions.inc…EPSS 4.4%7.5CVE-2006-4166Tinywebgallery vulnerabilityPHP remote file inclusion vulnerability in TinyWebGallery 1.5 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the imag…EPSS 3.7%7.2CVE-2012-2931Tinywebgallery injection vulnerabilityPHP code injection in TinyWebGallery before 1.8.8 allows remote authenticated users with admin privileges to inject arbitrary code into the .htusers.…EPSS 1.4%6.8CVE-2012-2930Tinywebgallery cross-site request forgery vulnerabilityMultiple cross-site request forgery (CSRF) vulnerabilities in TinyWebGallery (TWG) before 1.8.8 allow remote attackers to hijack the authentication o…EPSS 0.69%6.8CVE-2009-1911Tinywebgallery path traversal vulnerabilityDirectory traversal vulnerability in .include/init.php (aka admin/_include/init.php) in QuiXplorer 2.3.2 and earlier, as used in TinyWebGallery (TWG)…EPSS 2.5%5.4CVE-2017-16635Tinywebgallery cross-site scripting vulnerabilityIn TinyWebGallery v2.4, an XSS vulnerability is located in the `mkname`, `mkitem`, and `item` parameters of the `Add/Create` module. Remote attackers…EPSS 0.78%5.3CVE-2013-2631Tinywebgallery information exposure vulnerabilityTinyWebGallery (TWG) 1.8.9 and earlier contains a full path disclosure vulnerability which allows remote attackers to obtain sensitive information th…EPSS 1.8%5.1CVE-2023-53939Tinywebgallery cross-site scripting vulnerabilityTinyWebGallery v2.5 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the …EPSS 0.25%

Source: NIST National Vulnerability Database (record CVE-2023-53922), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.