Unrestricted Upload Vulnerability in Willow CMS by Willow Networks
CVE-2025-12331

5.1MEDIUM

Key Information:

Vendor

Willow

Status
Cms
Vendor
CVE Published:
27 October 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-12331?

A vulnerability has been discovered in Willow CMS versions up to 1.4.0, specifically affecting the file /admin/images/add. This weakness allows malefactors to perform unrestricted file uploads, leading to potential unauthorized access and manipulation of server environments. The vulnerability can be exploited remotely, raising serious security concerns, especially since details on the exploit have been publicly shared. It is crucial for users to update their systems and implement security measures to mitigate the risk associated with this exposure.

Affected Version(s)

CMS 1.0

CMS 1.1

CMS 1.2

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.

CVE-2025-12331 - Proof of Concept

References

https://vuldb.com/?id.330116
vdb-entry
https://vuldb.com/?ctiid.330116
signaturepermissions-required
https://vuldb.com/?submit.674439
third-party-advisory

CVSS V4

Score:
5.1
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

RiccK (VulDB User)
JSON
.