Unrestricted File Upload Vulnerability in SiempreCMS by Siempre
CVE-2025-10116

6.9MEDIUM

Key Information:

Vendor

Siempre

Status
Siemprecms
Vendor
CVE Published:
9 September 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-10116?

A vulnerability exists in SiempreCMS versions up to 1.3.6 that allows for unrestricted file uploads through the file_upload.php script located in the /docs/admin/ directory. This vulnerability can be exploited remotely, enabling attackers to upload files without proper validation. Such exploitation could lead to severe consequences, including server flooding and unauthorized access to sensitive files. The exploit for this vulnerability has been made publicly available, underscoring the urgent need for affected users to implement necessary mitigation measures.

Affected Version(s)

SiempreCMS 1.3.0

SiempreCMS 1.3.1

SiempreCMS 1.3.2

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.

CVE-2025-10116 - Proof of Concept

References

https://vuldb.com/?id.323085
vdb-entry
https://vuldb.com/?ctiid.323085
signaturepermissions-required
https://vuldb.com/?submit.645540
third-party-advisory

CVSS V4

Score:
6.9
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

drewbyte (VulDB User)
.