Path Traversal Vulnerability in Simple Forum by Code-projects
CVE-2025-6866

5.3MEDIUM

Key Information:

Vendor
CVE Published:
29 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6866?

A path traversal vulnerability exists in Simple Forum 1.0 that can be exploited via the /forum_downloadfile.php script. This security flaw arises from the unsanitized manipulation of the 'filename' argument, allowing an attacker to access files outside of the intended directory structure. The exploit can be executed remotely, posing a significant risk once details of the vector have been disclosed publicly. Users of Simple Forum are advised to implement preventive measures to safeguard their systems from potential unauthorized file access.

Affected Version(s)

Simple Forum 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.

References

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
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

meraklbz (VulDB User)
.
CVE-2025-6866 : Path Traversal Vulnerability in Simple Forum by Code-projects