Unrestricted File Upload Vulnerability in GreenCMS by GreenCMS
CVE-2025-9415

5.3MEDIUM

Key Information:

Vendor

GreenCMS

Status
Greencms
Vendor
CVE Published:
25 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-9415?

GreenCMS versions up to 2.3.0603 are susceptible to an unrestricted file upload vulnerability through the file index.php?m=admin&c=media&a=fileconnect. By manipulating the 'upload[]' argument, attackers can upload files without restrictions, which poses a significant risk, especially as the exploit is publicly available. This vulnerability affects legacy products that are no longer supported, emphasizing the need for users to update or migrate their systems to secure variants.

Affected Version(s)

GreenCMS 2.3.0603

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-2025-9415 - Proof of Concept

References

https://vuldb.com/?id.321258
vdb-entrytechnical-description
https://vuldb.com/?ctiid.321258
signaturepermissions-required
https://vuldb.com/?submit.633847
third-party-advisory

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

USTC-l1nk (VulDB User)
.
CVE-2025-9415 : Unrestricted File Upload Vulnerability in GreenCMS by GreenCMS