Unrestricted File Upload Vulnerability in OpenViglet Shio by Viglet
CVE-2025-8344

5.3MEDIUM

Key Information:

Vendor

Openviglet

Status
Vendor
CVE Published:
31 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8344?

A vulnerability located in the function handling file uploads within OpenViglet Shio allows for unrestricted file uploads. This flaw can be exploited remotely, enabling attackers to manipulate the filename argument, potentially leading to malicious file uploads. Users of OpenViglet Shio up to version 0.3.8 are at risk, as this vulnerability has been publicly disclosed and could be leveraged by malicious actors to compromise systems.

Affected Version(s)

shio 0.3.0

shio 0.3.1

shio 0.3.2

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:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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

1098024193 (VulDB User)
.
CVE-2025-8344 : Unrestricted File Upload Vulnerability in OpenViglet Shio by Viglet