Unrestricted Upload Vulnerability in Projectworlds Online Notes Sharing Platform 1.0
CVE-2025-12862

5.3MEDIUM

Key Information:

Vendor

Projectworlds

Status
Online Notes Sharing Platform
Vendor
CVE Published:
7 November 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-12862?

A vulnerability exists in the Projectworlds Online Notes Sharing Platform version 1.0, specifically affecting the /dashboard/userprofile.php file. This flaw allows for unrestricted file uploads due to improper handling of the 'image' argument. Attackers can exploit this vulnerability remotely to upload potentially malicious files. The exploit is publicly available, heightening the urgency for users to implement appropriate security measures.

Affected Version(s)

Online Notes Sharing Platform 1.0

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-2025-12862 - Proof of Concept

References

https://vuldb.com/?id.331509
vdb-entrytechnical-description
https://vuldb.com/?ctiid.331509
signaturepermissions-required
https://vuldb.com/?submit.679802
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

K1nako (VulDB User)
JSON
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CVE-2025-12862 : Unrestricted Upload Vulnerability in Projectworlds Online Notes Sharing Platform 1.0