Cross-Site Scripting Vulnerability in quequnlong Shiyi-Blog Software by quequnlong
CVE-2025-5513

5.1MEDIUM

Key Information:

Vendor

Quequnlong

Status
Shiyi-blog
Vendor
CVE Published:
3 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5513?

A cross-site scripting vulnerability exists in quequnlong Shiyi-Blog, specifically affecting the file /dev-api/api/comment/add. This vulnerability allows an attacker to manipulate the 'content' argument, enabling the injection of malicious scripts that can be executed in the context of other users' sessions. The flaw can be exploited remotely, leading to potential data theft or site defacement. Despite early notifications, the vendor has not addressed the issue, raising concerns about the application's security posture.

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-2025-5513 - Proof of Concept

References

https://vuldb.com/?id.310927
vdb-entrytechnical-description
https://vuldb.com/?ctiid.310927
signaturepermissions-required
https://vuldb.com/?submit.584492
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

uglory (VulDB User)
.