Path Traversal in quequnlong shiyi-blog by quequnlong
CVE-2025-5509

5.3MEDIUM

Key Information:

Vendor

Quequnlong

Status
Shiyi-blog
Vendor
CVE Published:
3 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5509?

A path traversal vulnerability has been detected in the quequnlong shiyi-blog application, specifically affecting the upload functionality located at /api/file/upload. Attackers can exploit this flaw by manipulating the file/source argument, potentially allowing unauthorized access to the server's file system. The vulnerability can be triggered remotely, posing a significant security risk. Despite the early notification to the vendor regarding this issue, there has been no response, raising concerns about the urgency for users to secure their systems.

Affected Version(s)

shiyi-blog 1.2.0

shiyi-blog 1.2.1

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-2025-5509 - Proof of Concept

References

https://vuldb.com/?id.310923
vdb-entrytechnical-description
https://vuldb.com/?ctiid.310923
signaturepermissions-required
https://vuldb.com/?submit.584488
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

uglory (VulDB User)
.