Improper Authentication Vulnerability in quequnlong Shiyi-Blog Administrator Backend
CVE-2025-5512

6.9MEDIUM

Key Information:

Vendor

Quequnlong

Status
Shiyi-blog
Vendor
CVE Published:
3 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5512?

A vulnerability in quequnlong's shiyi-blog, specifically in the Administrator Backend at /api/sys/user/verifyPassword/, allows for improper authentication. This vulnerability can be exploited remotely, potentially allowing attackers to bypass security measures and gain unauthorized access. The issue affects versions of shiyi-blog up to 1.2.1, and has been disclosed publicly, raising concerns about its exploitation in the wild. The vendor was notified about this exploit but has not provided any response or resolution.

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-2025-5512 - Proof of Concept

References

https://vuldb.com/?id.310926
vdb-entry
https://vuldb.com/?ctiid.310926
signaturepermissions-required
https://vuldb.com/?submit.584491
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

uglory (VulDB User)
.