Remote Code Execution Vulnerability in TinyWebGallery by TinyWebGallery
CVE-2023-53922

9.3CRITICAL

Key Information:

Vendor
CVE Published:
17 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-53922?

TinyWebGallery version 2.5 is susceptible to a remote code execution vulnerability that arises from unrestricted file upload functionality in the admin section. This flaw permits unauthenticated attackers to upload PHP files, specifically .phar files, which contain malicious code. Once the file is uploaded, attackers can execute arbitrary commands on the server by leveraging the URL of the uploaded file, potentially compromising the system's integrity.

Affected Version(s)

TinyWebGallery 2.5

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mirabbas Ağalarov
.
CVE-2023-53922 : Remote Code Execution Vulnerability in TinyWebGallery by TinyWebGallery